Approximately _____ hours after conception, the fertilized egg cell divides for the first time, resulting in two identical cells.
A) 2
B) 4
C) 8
D) 12
Correct Answer:
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Q6: Another name for the birth canal is
A)
Q7: During the early phase of cell division,
Q8: During cell division in a zygote, one
Q9: The three major stages of prenatal development
Q10: The _ stage of prenatal development takes
Q12: The zygote will take _ to travel
Q13: The zygote's outer layer of cells divides
Q14: In which stage of prenatal development does
Q15: The formation of the trophoblast and blastocyst
Q16: The trophoblast is the _ layer of
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