Interactive ppt on heredity

Heredity 2/19/14 “Heredity is what causes the parents of a teenager wondering about each other.” 1) What is heredity? 2) Name 2 physical traits and 2 behavioral.

on our identity… our genetics or our environment? Explain your answer… Susceptibility to addiction is the result of the interaction of many genes Alcoholism: DRD2 gene ALDH2 gene Nicotine addiction: CYP2A6 2/20/14 agenda Objective: To finish discussing Mendel Agenda: Bellringer: Heredity Notes Assign HW Homework: Picture HW due tomorrow Mendel’s Experiment Mendel then crossbred white and purple flowers from/


NATURE VS NURTURE Fundamental Question To what extent are we shaped by our heredity and life history?

psychology. Nature vs. Nurture and the Perspectives PSYCHOANALYTIC Innate biological forces (nature) are paramount but early experiences interact with these to shape personality. BEHAVIORIST Environmental experiences are paramount (nurture) although our physical make-up will / differences shaped by genetic differences? Behavior Geneticists study our differences and weigh the relative effects of heredity and environment. Human genome researchers have discovered the common sequence within human DNA. It is the/


11.2 Complex Patterns of Inheritance Complex Inheritance and Human Heredity Incomplete Dominance  The heterozygous phenotype is an intermediate phenotype.

male characteristics.  Chromosome inactivation  Barr bodies 11.2 Complex Patterns of Inheritance Chapter 11 Complex Inheritance and Human Heredity Polygenic Traits  Polygenic traits arise from the interaction of multiple pairs of genes. 11.2 Complex Patterns of Inheritance Chapter 11 Complex Inheritance and Human Heredity Environmental Influences  Environmental factors  Diet and exercise  Sunlight and water  Temperature 11.2 Complex Patterns of Inheritance Chapter/


GENES, ENVIRONMENT, AND DEVELOPMENT Chapter 3. Main Points  Evolution and Species Heredity  The Genetic Code  Studying Genetic and Environmental Influences.

throughout the life span  Don’t ask “how much” of genes but rather how heredity and environment work together  Gene-Environment Interaction  Genes do not determine anything but rather provide potential  Caspi and colleagues described impact/risk environment to trigger many psychological problems Genes and Environment Conspiring  Gene-Environment Correlations  Gene-environment interactions tell us that people with different gene react differently to the experiences they have  Gene-environment /


Theme: Organism’s level of realization of genetic information. Gene interactions Lecturer: ass. prof. Tatyana Bihunyak.

brief bio Genetic terminology Monohybrid and dihybrid crosses Patterns of inheritance Test cross Gene interactions Introduction to Genetics GENETICS – branch of biology that deals with heredity and variation of organisms Chromosomes carry the hereditary information (genes) Arrangement of nucleotides in/pair of genes at another locus. Such genes are called epistatic genes. Color of some fowls is result of interaction between two non-allelic genes: C—gene of colored fowls, c— gene of white fowls, I—gene, that/


Week 2- Human Development Review Theoretical Perspectives Organize notebook Last weeks journal responses Heredity & Environment Genotypes & Phenotypes.

. Ex: genetic code for brown eyes. Phenotype: refers to the observable expression of characters and traits coded for by those genes. Ex: Seeing brown eyes. Handout 2-B: The Interaction of Heredity & Environment pg. 12 Answer the following questions about the ways in which genotypes and phenotypes have influenced your decisions. 1.Give an example from your own life of a way/


Organism’s level of realization of hereditary information. Interaction of genes.Chromosomal theory of heredity. Variation in human beings as a quality.

Interaction of genes.Chromosomal theory of heredity. Variation in human beings as a quality of life and a genetic phenomenon. Lecturer: ass. Nedoshytko Kh.Yu. GENETICS  It is a branch of biology that deals with heredity and variation of organisms.  Chromosomes carry the hereditary information: DNA  RNA  Proteins Genetics terms you need to know:   Heredity/ 9:3:3:1 3. The law of independent assortment Gene interactions  Complete Dominance  Incomplete Dominance  Codominance  Superdominance  Polimery/


1 Genetics, and Evolutionary Psychology 3C. 2 Genetics: Predicting Individual Differences Heredity – transmission of physical and psychological characteristics.

egg and one sperm Dizygotic (fraternal twins) – two eggs, two sperm 14 15 Twin Biology Studying the effects of heredity and environment on twins 1.Identical twins raised together - share the same portion of the chromosomes that determines a single trait/mainly on what makes us so much alike as humans 4.Treat individuals with mental disorders 5.Design machines that interact best with people 33 Evolutionary Psychology. Evolutionary psychology - studies the evolution of behavior and mind using principles of /


5.00 Children & Development Students will describe the 5 areas of development. They will give examples of how heredity & environment influences development.

in socially acceptable ways. Students will describe the 5 areas of development. They will give examples of how heredity & environment influences development. Student will explain changes that occur at different stages of development. 5.00 Identify the/ age-appropriate activities for children Infancy n Physical- entirely dependent on others. –Inborn abilities enable them to interact with their world –Reflexes- automatic, involuntary responses –Eye-hand coordination- ability to make precise movements with /


The Role of Socialization

and environmental factors in human development Heredity vs. environment Most social scientists have moved beyond this debate Acknowledge interaction of these variables in shaping human development Nature: Influence of Heredity Oskar Jack Sudetenland, Czechoslovakia maternal/ Communication Could not speak Croaking sounds Simple gestures to communicate with mother Socialization Deprived of interaction and socialization experiences Saw few people Reactions Initially showed strong fear of strangers Reacted like /


Genetics and Heredity Unit 7.

interaction of HEREDITY and ENVIRONMENT. ENVIRONMENT: all outside forces that act on an organism.   HEREDITY: traits that are passed from parents to offspring. GENETICS: the scientific study of heredity. 7.2 What did Mendel do?   GREGOR MENDEL: “Father of Genetics”; Austrian monk and high school teacher who extensively studied heredity. MENDEL USED PEA PLANTS TO STUDY HEREDITY/ (traits) are determined by genes. GENE: unit of heredity which determines the trait expressed for a characteristic, sequence of/


Multifactorial, polygenic traits and disorders RNDr. Z.Polívková Lecture No 424 – course: Heredity Multifactorial, polygenic traits and disorders RNDr.

= numerous genes at different loci with small additive effect Multifactorial = multiple genes are assumed to interact with environmental factors (complex inheritance) Multifactorial = multiple genes are assumed to interact with environmental factors (complex inheritance) Quantitative = quantitative differences in traits Quantitative = quantitative differences in traits Polygenic heredity 1.Normal traits with continuous variation – normal distribution – in population Gaussian curve – x = average value/


Introduction to Quantitative Genetics

I’ll repeat my contact details at the end of the lecture. Genetics The study of heredity The study of how differences between individuals are transmitted from one generation to the next The study/values Quantitative Genetics not discrete Continuous phenotypic variation within populations Whole organism level Causes of variation Genes vs. environment Interactions between genes and environment Components of genetic variation Components of environmental variation In a very general sense, quantitative genetics /


Unit 8: Genetics & Heredity Unit 9: Human Genetic Disorders Ch. 8: Heredity & Ch. 11: Human Genetics heredity.

9: Human Genetic Disorders Ch. 8: Heredity & Ch. 11: Human Genetics heredity What is genetics? – the study of heredity passing of traits from parents to offspring Unit 8: Genetics & Heredity Chromosomes in Cells Remember… – body cells are / Circle = female Shaded = studied trait Marriage = horizontal line Offspring = vertical line Review & Animations Vocab interactive – http://nortonbooks.com/college/biology/animations/ch10a02.htm http://nortonbooks.com/college/biology/animations/ch10a02.htm Crosses – http/


Genetics Standard 4: The student should be able to demonstrate an understanding of the molecular basis of heredity. Essential question What is the structure.

same at a specific locus. –Heterozygous describes two alleles that are different at a specific locus. Laws of heredity Chromosome theory –Chromosomes carry genes that separate Law of segregation –Genes for a trait separate Law of dominance –/ chicken crossed with a white chicken and the offspring have both black and white feathers Phenotype can depend on interactions of alleles. In incomplete dominance, neither allele is completely dominant nor completely recessive. –Heterozygous phenotype is intermediate /


Kathleen Stassen Berger Prepared by Madeleine Lacefield Tattoon, M.A. 1 Part I Heredity and Environment Chapter Three The Genetic Code From One Cell to.

allele is a slight, normal variation of a particular gene some alleles are… –additive genes combine to make a phenotype 11 From One Cell to Many Dominant-Recessive Heredity –the interaction of a pair of alleles in such a way that the phenotype reveals the influence of one allele (the dominant gene) more than that of the other (the recessive gene) –/


` HEREDITY = The passing of traits from parents to offspring. x Transmitted by means of information stored in molecules of DNA.

the development, later life, and the expression of hereditary traits of an organism. ` WHAT MAKES YOU WHO YOU ARE TODAY? ◦ HEREDITY & ENVIRONMENT--are the two great influences, acting together all through you life. ` Genetic messages determine what organisms may become. ` The interaction of messages and the environment determines what organisms do become. ` Organisms inherit genetic messages, not traits! ` Traits develop when genetic/


Patterns of Heredity 4.1 Living things inherit traits in patterns. 4.2

inherit traits in patterns. sexual reproduction A. Parents and offspring are similar. gene B. Genes are on chromosome pairs. heredity C. Gregor Mendel made some important discoveries about heredity. allele phenotype 1. One Example genotype dominant 2. Mendel’s Conclusions recessive D. Alleles interact to produce traits. 1. Phenotype and Genotype CHAPTER RESOURCES 2. Dominant and Recessive Alleles KEY CONCEPT SUMMARY Patterns of/


Patterns of Inheritance

paradox - all members of same species should eventually have the same appearance hybrids differ in appearance Early Ideas of Heredity Early geneticists demonstrated some forms of an inherited character can: disappear in one generation and reappear, unchanged, in / the environment Epistasis one gene interferes with the expression of another gene coat color in Labrador retrievers Epistatic Interactions Gene Disorders Gene disorder refers to the harmful effect a detrimental allele produces when it occurs at a /


Mendelian Genetics.

s law of independent assortment because linked genes usually do not segregate independently. Chapter 11 Complex Inheritance and Human Heredity 11.2 Complex Patterns of Inheritance Incomplete Dominance The heterozygous phenotype is an intermediate phenotype between the two homozygous / chromosome can affect the expression of a gene at a second location A good example of epistasis is the genetic interactions that produce coat color in horses and other mammals. In horses, brown coat color (B) is dominant over /


Chapter 4: Nature, Nurture & Human Diversity.

twins can allow differing experiences to help shape an independent personality. Gene-Environment Interaction Genes can influence traits which affect responses, and environment can affect gene activity./heredity predisposes temperament. As environments become more similar, heredity as a source of difference become more important (since difference due to environment has decreased). Gene-Environment Interaction Genes and environment affect our traits individually, but more important are their interactive/


1 Socialization Socialization: the social interaction process through which individuals acquire personality and learn the way of life of their society.

of a culture influence the socialization process as well as the personality traits we exhibit. 3 Nature versus Nurture We are the products of the interaction between heredity and learning. We are the products of the interaction between heredity and learning. Genetic factors provide the basic potentials of an individual. Social experience may develop or discourage these potentials. Genetic factors provide the basic potentials/


Introduction Behavior genetics –Heredity versus the environmentenvironment.

are self-regulating Gene-Environment Interaction Genes and experience interactinteract –Evocative interactions Interaction = the interplay that occurs when the effect of one factor (such as environment) depends on another factor (such as heredity). The New Frontier: Molecular/conforming. Peers are influential in such areas as learning to cooperate with others, gaining popularity, and developing interactions. Ole Graf/ zefa/ Corbis 55 Cultural Influences Humans have the ability to evolve culture. Culture is /


Heredity Genetic problems –Apply rules of probability Multiplication rule Key terms 1. Gene  the genetic material on a chromosome that contains the instructions.

for the presence or absence of pigmentation Second gene codes for the color of pigmentation (black or brown) Phenotypic expressions: CCBB, CCBb, CcBB, CcBb CCbb, Ccbb ccBB, ccBb Heredity Polygenic inheritance –The interaction of many genes to shape a single phenotype. –Example: human height Linked genes –Genes that reside on the same chromosome and cannot segregate independently. –Genes that are linked are/


Behavior Genetics: Predicting Individual Differences Behavior Geneticists study our differences and weigh the relative effects of heredity and environment.

twins can allow differing experiences to help shape an independent personality. Gene-Environment Interaction Genes can influence traits which affect responses, and environment can affect gene activity./heredity predisposes temperament. As environments become more similar, heredity as a source of difference become more important (since difference due to environment has decreased). Gene-Environment Interaction Genes and environment affect our traits individually, but more important are their interactive/


Copyright © 2010 Pearson Education, Inc. All rights reserved. Heredity and Environment Chapter 2 2.

understand the genetic origins of behaviors Incorporates the view that complex traits are determined by an interaction of heredity and environment Behavioral genetics looks at the statistical correlation, or concordance, of similar characteristics /Pearson Education, Inc. All rights reserved. Development in a Broad Context Lifespan development is a complex interaction among several important factors Mediating factors—gender, ethnicity, socioeconomic background—determine how broader cultural-historical forces/


Behavior Genetics: Predicting Individual Differences Behavior Geneticists study our differences and weigh the relative effects of heredity and environment.

twins can allow differing experiences to help shape an independent personality. Gene-Environment Interaction Genes can influence traits which affect responses, and environment can affect gene activity./heredity predisposes temperament. As environments become more similar, heredity as a source of difference become more important (since difference due to environment has decreased). Gene-Environment Interaction Genes and environment affect our traits individually, but more important are their interactive/


Behavior Genetics: Predicting Individual Differences Behavior Geneticists study our differences and weigh the relative effects of heredity and environment.

identical twins can allow differing experiences to help shape an independent personality. Gene-Environment Interaction Genes can influence traits which affect responses, and environment can affect gene activity. A/heredity as a source of difference become more important (since difference due to environment has decreased). Heritability Video https://www.youtube.com/watch?v=hOYO4 KwJbzc Gene-Environment Interaction Genes and environment affect our traits individually, but more important are their interactive/


Genetics = The scientific study of heredity and hereditary variation

sexual reproduction haploid cell spores life cycle fertilization gametophyte somatic cell syngamy 14 Heredity Theories of heredity Blending theory of heredity = Pre-Mendelian theory of heredity proposing that hereditary material from each parent mixes in the offspring; once /Extended Mendelian genetics lV Pleiotropy = The ability of a single gene to have multiple phenotypic effects Epistasis = Interaction between two nonallelic genes in which one modifies the phenotypic expression of the other (9:3:4) 14/


Genetics: The Science of Heredity

of F1 Generation Lesson 1 Review 1. Who was Gregory Mendel? 2. Why did he choose peas for his experiments? 3. What is heredity? 4. What is genetics? 5. What is a purebred plants? 6. What is the P generation? 7. What is the F1/ based on the original traits. Include: blood type Hair color Eye color Polygenic Traits The results of the interaction of multiple genes Example: hypertension Caused by the interaction of one’s: Weight Ability to process fats Cholesterol count Ability to process salts Lifestyle - i.e. /


Biological Beginnings

Biological Beginnings The Evolutionary Perspective Genetic Foundations of Development Heredity and Environment interaction: The Nature-Nurture Debate Prenatal Development Birth The Evolutionary / Genetic Foundations Genetic Principles Sex-linked genes: X-linked inheritance for males and females. Poly-genetically determined characteristics: Many genes interact to influence a trait. Sex-linked chromosome abnormalities: Down Syndrome Klinefelter syndrome- (males-extra X chromosome) Fragile X syndrome-/


The Biological Perspective

how we think, feel and behave. Questions arise within the bio perspective such as how the brain and the mind interact and are related (mind-body debate). Also of interest is how the brain, a physical organ, can produce the / (such as schizophrenia and aggression). Commonly called the nature/nurture debate or the debate about the relative contribution of heredity and environment. Recent developments A recent development in biological psychology is called evolutionary psychology which is defined as follows: /


Chapter 3: Heredity and the Environment The Genetic Code DNA (deoxyribonucleic acid) – Molecule that contains the chemical instructions for cells to manufacture.

phenotype the observable characteristic of a person, including appearance, personality, intelligence, and all other traits Depends on the interaction of biology, environment and experiences. Phenotype = actual expression of genetic inheritance. 6 Exactly how to our genetic /each of which contribute to the phenotype. All additive genes contribute something to the phenotype 8 Dominant-Recessive Heredity – the interaction of a pair of alleles in such a way that the phenotype reveals the influence of one allele /


HEREDITY AND ENVIRONMENT Chapter 2. Heredity and Environment.

by R. Lewis, D. Gaffin, M. Hoefnagels, and B. Parker, 2002, New York: McGraw-Hill. Gene-Environment Interactions: The Study of Epigenetics Individuals differ not only in their genes, but also in specific ways in which they experience their/ genetics Tries to understand the genetic origins of behaviors Incorporates the view that complex traits are determined by interaction of heredity and environment Looks at statistical correlation, or concordance, of similar characteristics with genes What is a concordance /


Heredity, Gene Regulation, and Development I. Mendels Contributions II. Meiosis and the Chromosomal Theory III. Allelic, Genic, and Environmental Interactions.

, and Development I. Mendels Contributions II. Meiosis and the Chromosomal Theory III. Allelic, Genic, and Environmental Interactions Heredity, Gene Regulation, and Development I. Mendels Contributions II. Meiosis and the Chromosomal Theory III. Allelic, Genic, and Environmental Interactions A. Overview: The effect of a gene is influenced at three levels: - Intralocular (effects of other alleles at this locus) - Interlocular (effects of other genes at/


Lab Exercise 40 BI 233 Genetics and Heredity. Definitions Heredity = the inheritance of traits Genetics = the study of mechanisms of heredity. Genes:

Lab Exercise 40 BI 233 Genetics and Heredity Definitions Heredity = the inheritance of traits Genetics = the study of mechanisms of heredity. Genes: A portion of a DNA strand that functions as a hereditary unit, is located at a particular site/ making up AB blood type Gene Expression Most human traits are the result of polygenic inheritance, which occurs when multiple genes interact to produce a phenotype. Eye color was believed to be a strict dominant-recessive trait but we now know that it is the result of/


Patterns of Inheritance Chapter 12. 2 Early Ideas of Heredity Before the 20 th century, 2 concepts were the basis for ideas about heredity: -heredity.

rather than the hybrid strains. This evidence contradicted the idea that traits are directly passed from parent to offspring. 4 Early Ideas of Heredity Gregor Mendel -chose to study pea plants because: 1. other research showed that pea hybrids could be produced 2. many pea varieties / o C 40 Extensions to Mendel 41 Extensions to Mendel The products of some genes interact with each other and influence the phenotype of the individual. Epistasis: one gene can interfere with the expression of another gene 42


Heredity Influences on Development Chapter 3 Dr. Pelaez.

the scientific study of how genotype interacts with the environment in order to determine behavioral attributes such as intelligence, personality, and mental health. Methods of Studying Heredity Influences Heritability is the amount of variability/, parents who often treat sons differently than daughters, or first-born children differently than later-borns. Heredity Contributions to Behavior Disorders and Mental Illness There is strong indication that schizophrenia is genetically influenced. Schizophrenia /


Heredity and Environment By Elhalabi. Heredity and Environment What makes you.

in the photos are the parents of the cookapoo puppies shown below. Notice that the puppies have physical traits of both parents— heredity at work. First let’s look at physical traits that are passed from parent to offspring. Next we will look at /has survived a lion attack which left its rump scarred. The scar is an acquired trait since the zebra received it through its interaction with its environment (the lion attack). Bocavermehlha-l.b. http://www.flickr.com/ In another example, we see two boxer dogs /


 Personality comes from the Greek word "persona", meaning "mask„  A person’s general style of interacting with the world.  People differ from one another.

“It is the sum total of ways an individual reacts to and interacts with others.”  Personality is measurable - traits Heredity Environment Situation 1. Heredity:  It refers to physical stature, facial attractiveness, temperament, muscle /measures good natured, trustworthy and cooperative (high Agreeableness or A+) versus competitive (low Agreeableness or A-) approaches to interactions with others.  A+ types usually describe themselves as empathic, sensitive, harmony- seeking; they like tasks and /


Patterns of Inheritance By Clark and Garret. Heredity Definition- The transmission of traits from one generation to the next.

could be predicted during the dihybrid cross? The Dihybrid Cross (continued) Mendel then proposed the second rule of heredity called the principle of independent assortment. This states that different traits separate independently of each other during the formation of/ quantitatively over a range of values. These traits are somewhat complicated to study because they are controlled by several interacting genes, rather than by a pair of alleles at a single locus. This phenomenon is referred to as polygenic/


Chapter 7 Heredity. Key knowledge Transmission of heritable characteristics –Genes as units of inheritance –Eukaryote chromosomes, alleles, prokaryote.

–Two gene loci – dihybrid cross –Pedigree analysis – autosomal, sex-linked inheritance, test cross Heredity Heredity: is the study of inheritance. Principles of heredity and patterns of inheritance were first established by an Austraian monk, Gregor Mendel. Genetics: study of/. Individuals phenotypes will be impossible to distinguish. There are many genes which influence height. The interaction of all of these genes produces continuous variation in a population of organisms. Similar patterns of discontinuous/


Patterns of Inheritance Chapter 12. 2 Early Ideas of Heredity Before the 20 th century, 2 concepts were the basis for ideas about heredity: -heredity.

the hybrid strains. This evidence contradicted the idea that traits are directly passed from parent to offspring. 4 Early Ideas of Heredity Gregor Mendel -chose to study pea plants because: 1. other research showed that pea hybrids could be produced 2. many/ only at temperatures below 30 o C 39 Extensions to Mendel 40 Extensions to Mendel The products of some genes interact with each other and influence the phenotype of the individual. Epistasis: one gene can interfere with the expression of another/


Heredity (B) KAREN LANCOUR HEREDITY NATIONAL SUPERVISOR

org under Event Information Biology-Earth Science CD, Genetics CD (new) for Heredity and Designer Genes as well as the Division B and Division C Test Packets are available from SO store at www.soinc/ Proteins can be structural proteins (parts of body) or functional proteins (hormones/enzymes) Epistasis and Multifactorial Inheritance Epistasis - the interaction between two or more genes to control a single phenotype Multifactorial inheritance - many factors (multifactorial) both genetic and environmental are /


Principles of heredity, Mendelian laws Marie Černá Lecture No 403-Heredity.

possible random combinations of paternal and maternal chromosomes (genes on different chromosomes behave independently) MENDEL’S LAWS Lethality, decreased vitality Decreased penetrance Different expressivity Sex linked heredity Gene linkage Gene interactions Polygenic heredity Mitochondrial heredity Gene imprinting (transcription only of one allele) Dynamic mutations (amplification of triplet repeats) Structural balance chromosomal aberrations Differences from the Mendel’s laws Lethality, decreased vitality/


Chapter 10 Infancy and Childhood I. Heredity Versus Environment I. Heredity Versus Environment  A. Nature v. Nurture controversy B. Nature – physical.

. Nature – physical factors and B. Nature – physical factors and heredity heredity C. Nurture – the effects of C. Nurture – the effects of environment environment D. Nature and nurture interaction in infants 1. 2 day old infants varied sucking 1. 2 / Same sperm and egg, zygote a. Same sperm and egg, zygote splits splits 1) identical genes and heredity 1) identical genes and heredity 3. Psychologists study twins thoroughly 3. Psychologists study twins thoroughly a. Especially when reared apart a. Especially /


Basic Concepts in Genetics

the other traits as well! Mendel’s results He discovered different laws and rules that explain factors affecting heredity Theory of Heredity Before Mendel, people thought offspring were a blend of traits Tall x short = medium Mendel’s / traits Obey Mendel’s laws Law of segregation Law of independent assortment Include Dominant / recessive relationships Gene interactions Phenotype-influencing roles of sex and environment Most genes of eukaryotes follow a Mendelian inheritance pattern Predicting Inheritance To/


Classical Papers Chihiro Fukami October 6, 2005. Outline Central Dogma of Molecular Biology Chromosomes in Heredity What is a Gene?

, a positive statement saying that the (overall) transfer of nucleic acid to protein existed PROTEIN THE CHROMOSOMES IN HEREDITY Walter Stanborough Sutton, 1903 Mendel in a Nutshell (1866) Characteristics determined by discrete units of inheritance Law of / Characteristics No single gene is solely responsible for appearance of any one character Final effect produced through interaction of the whole complement of genes Some genes have greater influence than others on expression of certain characteristics/


Biological Beginnings I. The Interaction of Genetics and Context II. Heredity/Reproduction III. Detection of Genetic and Chromosomal Abnormalities IV.

III. Detection of Genetic and Chromosomal Abnormalities IV. Genetic and Chromosomal Abnormalities I. Interaction of Genetics and Context  Heredity vs. environment  Interactive model II.Reproduction/Heredity A. When do people have children? B. Reproduction A.Egg, sperm, gametes, zygote B.Newborn girl=400,000 ova C.Ejaculation=500 million sperm mature male=100 million/day for /


Heredity and Environment Unit3.  People argue about whether human behavior is instinctive (heredity) or learned (environment)  Heredity – transmission.

Unit3  People argue about whether human behavior is instinctive (heredity) or learned (environment)  Heredity – transmission of characteristics from parents to the offspring  How much do you learn and/ the importance of environment Genes and Behavior  Genes are the basic units of heredity  Genes affect behavior through their role in building and modifying the physical structures of the body  Those structures interact with the environment and produce behavior Twin Studies  Using page 175-176, take/


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