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Development A. Epigenesis I. History B. Pre-formation
C. Blending vs. Mixing D. Current Thoughts
A. Male Duties II. Fertilization
1. Acrosomal Activities 2. Getting There
B. Female Duties
1. Acrosomal Reaction (fast block to polyspermy) Figure 47.3 Figure 47.4 Figure 47.3
2. Cortical Reaction (slow block to polyspermy) Figure 47.4
2. Cortical Reaction (slow block to polyspermy) Figure 47.3 Figure 11.14
A. Cleavage III. Post- Fertilization Stages
1. Pattern == Radial vs. Spiral Figure 32.9
2. Polarity (Animal vs. Vegetal Pole) Figure 47.21
1. Strategies Figure 47.9
2. Outcomes Figure 47.8
1. What comes first? Figure 34.7
A. Avians IV. Amniote Development
1. What’s going on inside the egg?
1. What’s going on inside the womb? Figure 47.12
A. Changes V. Morphogenesis
1. Intra-cellular Figure 47.15
B. Fate Mapping
C. Inductive Signaling
Always remain a knowledge Poriferan.
Ch. 47. THE STAGES OF EARLY EMBRYONIC DEVELOPMENT.
Animal Development Stages of Early Embryonic Development Cellular an Molecular Basis of Morphogenesis and Dfferentiation.
Figure 47.0 Human embryo. Figure 47.1 A “homunculus” inside the head of a human sperm.
Animal Development II Making an embryo…
Fertilization Fertilization activates the egg Activation of the egg triggers embryonic development.
Animal development Principles of Biology, 21 April 2009 Donald Winslow References: Hickman, Cleveland P.; et al Integrated Principles of Zoology,
Animal Development [Note: This is the text version of this lecture file. To make the lecture notes downloadable over a slow connection (e.g. modem) the.
Animal Development I Where it all begins…
Animal Development Chapter 47. Development Preformation – Idea that egg contains a miniature adult that grows only in size during devel. Preformation.
Chapter 47 Animal Development. Embryonic development/fertilization u Preformation~ until 18th century; miniature infant in sperm or egg u At fertilization/conception:
Lecture Date ________ Chapter 47 –Animal Development.
Chapter 47: Animal Development Theories of embryonic development Preformation Preformation Belief that egg or sperm contain a miniature embryo/adult form.
By: Melissa Shannon Summer Assignment. Occur during fertilization and each of the three successive stages that build the animal’s body. The Acrosomal.
Animal Development. Fertilization Cleavage Gastrulation Organogenesis Specialized adaptations.
Animal Development. The Mystery of Development The main problem of embryology is this: How, in the course of development, does a cell of one type.
An organism’s development is planned by a genetic program involving the genome of the zygote and the molecules placed in the egg by the mother › These.
Animal Development Chapter 47. WHAT’S NEXT? Once copulation ends…
Chapter 47 Animal Development. From eggs to organisms.
Embryological Development Development is fundamentally similar in all eukaryotes Development is fundamentally similar in all eukaryotes There are 3 aspects.
Chapter 46 and 47. Asexual Reproduction Fission Fragmentation and regeneration Budding Parthenogenesis.
AP Biology Animal Reproduction & Development.
Ch. 46/47 Warm-Up 1.(Ch. 46) How do oogenesis and spermatogenesis differ? 2.(Ch. 46) How do these hormones affect the menstrual cycle? a)LH b)FSH c)Estrogen.
Development determined by zygote genome & distribution of maternal substance ( cytoplasmic determinants ) in egg Location of cells affects early development.
Lecture #20 Date ________ u Chapter 47 ~ Animal Development.
Copyright © 2005 Brooks/Cole — Thomson Learning Biology, Seventh Edition Solomon Berg Martin Chapter 49 Animal Development.
Chapter 47 Reading Quiz 1.Which reaction acts as a “fast block” to polyspermy? 2.Which reaction acts as a “slow block” to polyspermy? 3.Name the series.
Preformation: the egg or sperm contains an embryo that is a preformed miniature adult. Epigenesis: the form of an animal emerges from a relatively formless.
Gestation: carrying one or more embryos in uterus. Humans: 266 days Rodents: 21 d Dogs: 60 d Cows: 270 Elephant: 600 days.
Animal Development. Outline I.Early Stages of Embryonic Development A. Intro B. Fertilization C. Cleavage D. Gastrulation II.Morphogenesis.
Chapter 43 EMBRYOLOGY. STAGES OF ANIMAL REPRODUCTION & DEVELOPMENT 1) gamete formation 2) fertilization 3) cleavage 4) gastrulation 5) organ formation.
ANIMAL DEVELOPMENT CH 47 FERTILIZATION THROUGH ORGANOGENESIS 1.
ANIMAL DEVELOPMENT CHAPTER 47. Figure 47.0 Human embryo.
Animal Development Emily Huang, Erin McGrath, Michelle Xu.
Step one: Contact between the sperm and the eggshell.
I.1 ii.2 iii.3 iv.4 1+1=. i.1 ii.2 iii.3 iv.4 1+1=
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Concept 47.3: The developmental fate of cells depends on their history.
Fertilization - fusion of 2 gametes ensure encounter of sperm & oocyte/egg External fertilization # of gametes stimulus for release Internal fertilization.
AP BIOLOGY SHANNON BRADY 2010 Chapter 47: Animal Development.
Animal Development. The question of how a zygote becomes an animal has been asked for centuries As recently as the 18th century, the prevailing theory.
Preformation How does an egg become an animal? Until the end of the 18 th century, the prevailing theory was that the embryo was a miniature infant. This.
1 mm Morphogenesis process by which an animal takes shape determined by genome and differences between embryonic cells.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.
By Natasha Guenther, Brea Altoya, and Bianca (I can’t spell her last name so I’m leaving it out)
1 Chap 47: Animal Development Brain Heart. 2 Figure 47.2 The acrosomal and cortical reactions during sea urchin fertilization.
Chapter 47 Animal Development Ms. Klinkhachorn Saturday April 30, 2011 AP Biology.
Seminiferous Tubules (human) Ovary (cat) Ovum (squirrel)
Chapter 47 Animal Development. I. Fertilization A.Sea Urchins B.Mammals.
Fertilization. Sperm What is involved in the maturation of a sperm cell?
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