The formation of the trophoblast and blastocyst occur during the ________ stage.
A) germinal
B) embryonic
C) fetal
D) placental
Correct Answer:
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Q10: The _ stage of prenatal development takes
Q11: Approximately _ hours after conception, the fertilized
Q12: The zygote will take _ to travel
Q13: The zygote's outer layer of cells divides
Q14: In which stage of prenatal development does
Q16: The trophoblast is the _ layer of
Q17: The blastocyst is the _ layer of
Q18: Which of the following structures differentiates to
Q19: The embryonic stage of prenatal development has
Q20: The zygote embeds itself into the inner
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