The head and tail regions, ventral and dorsal regions, right and left sides are established by:
A) the allantois.
B) ingression.
C) the chorionic villi.
D) the primitive streak.
Correct Answer:
Verified
Q6: Which extraembryonic membrane forms the embryonic part
Q7: After fertilization, a zygote rapidly divides to
Q8: What follows immediately after fertilization occurs?
A) acrosomal
Q9: The fusion of a sperm cell and
Q10: How is polyspermy prevented?
A) sperm migration
B) acrosomal
Q12: In humans, from which extraembryonic membrane will
Q14: Which of the following is NOT a
Q15: Which of the following is NOT a
Q16: When does the prenatal period begin?
A) gestation
B)
Q17: Which part of the embryo contributes to
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