Implantation occurs during the
A) fertilization.
B) first week.
C) second week.
D) second month.
E) fourth month.
Correct Answer:
Verified
Q19: During the formation of an embryo, a
Q20: A fertilized egg undergoes cell division without
Q21: In human development, what is the site
Q22: A pregnancy test is sensitive to which
Q23: Which part of the blastocyst will develop
Q25: Which of the following structures is responsible
Q26: The allantois
A) becomes the umbilical blood vessels
Q27: Which of the following serves as an
Q28: Which of the following structures provides nourishment
Q29: The presence of the same homeotic genes
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