Cell differentiation intensifies and organs appear in the ________ period of prenatal development.
A) embryonic
B) zygotic
C) fetal
D) germinal
Correct Answer:
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Q6: _ refers to the attachment of the
Q7: Implantation, the attachment of the zygote to
Q8: The _ is the outer layer of
Q9: _ occurs when a single sperm cell
Q10: Salma is trying to get pregnant and
Q12: An egg is fertilized in the _
Q13: The process in which cells begin to
Q14: Rachel is in the first period of
Q15: The attachment of the blastocyst to the
Q16: Which of the following is a feature
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