The 16 -cell stage is known as the:
A) blastomere.
B) blastocyst.
C) trophoblast.
D) morula.
Correct Answer:
Verified
Q15: Which of the following is NOT a
Q16: When does the prenatal period begin?
A) gestation
B)
Q17: Which of the following implants in, or
Q18: Failure of the allantois to fully develop
Q19: Which reaction releases enzymes such as hyaluronidase
Q21: Which germ layer forms the gonads and
Q22: During which process is exposure to teratogens
Q23: Cephalocaudal folding creates the:
A) future trunk region.
B)
Q24: What contributes to the fetal portion of
Q25: The rearrangement and migration of the cells
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