When does the human embryo implant in the wall of the uterus?
A) within a few hours of fertilization
B) about a day after conception
C) about a week after conception
D) just after gastrulation
Correct Answer:
Verified
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Q32: Which of these events occurs first?
A)gastrulation
B)cleavage
C)implantation
D)formation of
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A)heart and
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