Genetics! Created by Educational Technology Network. www.edtechnetwork.com 2009

Cell Division Inheritance Definitions Genotype Etc… 10 20 30 40 50

Duplication of Chromosomes Question 1 - 10 Duplication of Chromosomes

Answer 1 – 10 DNA replication

A process resulting in half the number of chromosomes and four cells Question 1 - 20 A process resulting in half the number of chromosomes and four cells

Answer 1 – 20 Meiosis

This process results in two cells that are exactly the same Question 1 - 30 This process results in two cells that are exactly the same

Answer 1 – 30 Mitosis

46 of these are present in the nucleus of body cells Question 1 - 40 46 of these are present in the nucleus of body cells

Answer 1 – 40 Chromosomes

Draw the end product of meiosis for an organism with 6 chromosomes Question 1 - 50 Draw the end product of meiosis for an organism with 6 chromosomes

Answer 1 – 50

Two things that can influence traits Question 2 - 10 Two things that can influence traits

Answer 2 – 10 Genes and environment

Percent of genes inherited from each parent Question 2 - 20 Percent of genes inherited from each parent

Answer 2 – 20 50% Bonus: Percent of genes inheirited from asexual reproduction and cloning

a gene form requiring both genes to be the same to present as a trait Question 2 - 30 a gene form requiring both genes to be the same to present as a trait

Answer 2 – 30 Recessive trait

a gene form requiring only one gene to be present to see the trait Question 2 - 40 a gene form requiring only one gene to be present to see the trait

Answer 2 – 40 Dominant

Question 2 - 50 Complete the punnet square, determine possible phenotypes and genotypes. A homozygous dominant round pea is crossed with a homozygous recessive wrinkled pea.

Answer 2 – 50 Rr 100% heterozygous and round

Another name for sperm and eggs Question 3 - 10 Another name for sperm and eggs

Answer 3 – 10 Sex-cells or Gametes

Code to build an organism Question 3 - 20 Code to build an organism

DeoxyriboNucleic Acid Answer 3 – 20 DNA DeoxyriboNucleic Acid

Question 3 - 30 XX

Female sex chromosomes Answer 3 – 30 Female sex chromosomes

Observable characteristic Question 3 - 40 Observable characteristic

Answer 3 – 40 Trait

Portion of chromosome that codes for one specific trait Question 3 - 50 Portion of chromosome that codes for one specific trait

Answer 3 – 50 Gene

Question 4 - 10 XY

Answer 4 – 10 Male sex chromosomes

A tool to predict trait probability Question 4 - 20 A tool to predict trait probability

Answer 4 – 20 Punnett Square

Question 4 - 30 Found in the nucleus

Answer 4 – 30 DNA, gene, chromosome

Traits influenced by the gene pair Question 4 - 40 Traits influenced by the gene pair

Answer 4 – 40 Phenotype

Define homozygous and heterozygous AND provide and example of each Question 4 - 50 Define homozygous and heterozygous AND provide and example of each

Answer 4 – 50 Homozygous- same gene form pair Ex: AA, aa Heterozygous- different gene form pair Ex: Aa

Contains several genes and is made out of DNA Question 5 - 10 Contains several genes and is made out of DNA

Answer 5 – 10 Chromosome

Process for ANY new cells (sex cells or body cells) to be made Question 5 - 20 Process for ANY new cells (sex cells or body cells) to be made

Answer 5 – 20 Cell division

An individual that has the gene form but is not affected Question 5 - 30 An individual that has the gene form but is not affected

Answer 5 – 30 Carrier

Passed down through the X chromosome. Question 5 - 40 Passed down through the X chromosome.

Answer 5 – 40 X-linked trait

Question 5 - 50 Determine if this pedigree is autosomal or x-linked and dominant or recessive. Daily double --- determine the genotype for the female in the first generation

Female in first generation is heterozygous Answer 5 – 50 Autosomal recessive Female in first generation is heterozygous