In the period of the embryo, the inner mass of the zygote differentiates into three layers known as
A) ectoderm, mesoderm, and endoderm.
B) placenta, amnion, and chorion.
C) blastocyst, trophoblast, and zygote.
D) skin, muscle, and bone.
Correct Answer:
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Q4: The period of the zygote in prenatal
Q5: Proximal-distal development is human growth
A) from central
Q6: The age of viability is considered to
Q7: The period during prenatal development in which
Q8: By the end of the period of
Q10: Your sister has just had a spontaneous
Q11: The longest period of pregnancy is the
A)
Q12: Cephalocaudal development is human growth
A) from central
Q13: Which of the following principles does NOT
Q14: The amniotic sac, the placenta, and the
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