The division of the zygote into two blastomeres is referred to as
A) cleavage.
B) implantation.
C) placentation.
D) embryogenesis.
E) fertilization.
Correct Answer:
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Q3: The endoderm forms
A) muscle.
B) neural tissue.
C) blood.
D)
Q4: The process of differentiation leading to trophoblast
Q5: Which of the following provides the main
Q6: Sperm can fertilize an egg until only
Q7: The placental membrane is composed of
A) the
Q9: Fertilization of the ovum usually occurs
A) within
Q10: The mass of cells containing the three
Q12: During gastrulation,
A) the blastodisc is formed.
B) the
Q13: The mesoderm forms
A) muscle.
B) skin.
C) neural tissues.
D)
Q27: Separation of the inner cell mass from
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