test 1 (2) yout References Mailings Review View Help Tell me what you went to do

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test 1 (2) yout References Mailings Review View Help Tell me what you went to do AA Aa | aBbD AaBbccDe AaBbC AaBbCcE 1NornalI1No Spa. 15-12.-. Subtitle x, x' A··A- Heading 1 Heading 2 Title Font Paragraph Styles 4. In Xenopus, gastrulation initiates at: (1 point) A. The blastopore lip, which is also the opposite site of sperm entry B. The site of sperm entry C. The center of the equator (where vegetal pole and amal pole meet) D. The site where the two promusici fuse 5. At the end of gastrulation stage, the embryo forms three germ layers. What are the three germ layers? (1 point) A Morula, blastula and gastrula B. Blastomere, blastocoel and gastrula C morula, blastula and neurula D Ectoderm, mesoderm and endoderm is ho 6 46 144

Explanation / Answer

4. In xenopus gastrulation initiated at

Answer is A: The blastopore lip, which is also opposite site of sperm entry

5. At the end of gastrulation stage, the embryo forms three germ layers. What are the three germ layers?

Answer is D: Ectoderm, Mesoderm and Endoderm

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