DevelopmentBigIdea&WordList - 9 Explain what...

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Animal Development 2/9/12 Cawas Engineer p. 1 Lecture 2/9/12 Chapter 47 Animal Development Big Questions / Learning Objectives 1. What are the key principles underlying the transformation of a single celled zygote into a multicellular embryo? 2. Describe the acrosomal and cortical reactions.* 3. Describe the changes that occur in an activated egg and explain the importance of cytoplasmic materials to egg activation.* 4. Explain the importance of embryo polarity during cleavage. Compare the characteristics of the animal hemisphere, vegetal hemisphere, and gray crescent in amphibian embryos. 5. Describe how a fertilized sea urchin egg is transformed into a blastula. 6. Describe the process of gastrulation in sea urchin. Explain the importance of gastrulation and how it rearranges the embryo. 7. Be able to list adult structures derived from each primary germ layer. 8. Describe the processes of morphogenesis and organogenesis.
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Unformatted text preview: 9. Explain what determination and differentiation are and describe how they are achieved in a developing embryo. 10. Describe the process of convergent extension.* *Covered in assigned reading and homework rather than lecture Topic / Working Vocabulary List animal pole apoptosis archenteron axes of symmetry blastocoel blastocyst blastomere blastopore blastula cell fate cleavage convergent extension cortical reaction cortical rotation cytoplasmic determinant determination differentiation dorsal lip ectoderm egg activation embryonic germ layer endoderm fate map fertilization gastrula gastrulation gray crescent holoblastic cleavage meroblastic cleavage mesoderm morphogenesis neural crest neural plate neural tube notochord organogenesis pattern formation polyspermy primitive streak somites spemann's organizer trophoblast vegetal pole yolk zona pellucida...
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This note was uploaded on 04/05/2012 for the course BILD 2 taught by Professor Schroeder during the Winter '08 term at UCSD.

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