Gastrulation in human embryos occurs about ____ after fertilization.
A) 5 days
B) 2 weeks
C) 4 weeks
D) 2 months
E) 5 months
Correct Answer:
Verified
Q47: In humans, the fluid immediately surrounding the
Q48: By the end of the fourth week
Q61: After gastrulation, the next event in human
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Q70: Which structure becomes part of the placenta?
A)
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Q79: What are somites?
A) neural tissue that gives
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