At what point during development does the embryo form three germ layers?
A) when it begins cleavage
B) when the nervous system develops
C) when it forms the gastrula
D) when it forms the inner cell mass
E) when it becomes recognizable as human
Correct Answer:
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Q1: At the end of the embryonic period,the
Q3: Which of the following gives the correct
Q4: During fertilization,several sperm penetrate the corona radiata.
Q5: The nervous system is to the ectoderm
Q6: The adhering follicular cells that surround the
Q7: The nervous system develops enough to permit
Q8: Once the cortical granules release their enzymes,the
Q9: Which of the following is not associated
Q10: The embryonic disk becomes the inner cell
Q11: Which part of the sperm contains the
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