Multiple Choice
Which of the following is true about cleavage?
A) It is the period during which the blastocyst forms.
B) It is the period when the three embryonic germ layers appear.
C) It is the period when vast amounts of cell migration occur.
D) It is the period during which amniotic fluid is produced.
E) It is the period during which a morula disappears.
Correct Answer:
Verified
Correct Answer:
Verified
Q15: When the embryo is implanted in an
Q16: Which of the following is true concerning
Q17: The trophoblast is mostly responsible for forming
Q18: _ stimulates uterine contractions, aiding in the
Q19: By which week of pregnancy may the
Q21: Blood in the umbilical arteries is oxygenated.
Q22: The yolk sac is important because it
Q23: An offspring between the eighth week and
Q24: Twins that result from separate sperm fertilizing
Q25: Which of the following is formed by