How do monozygotic twins develop?
A) splitting of the morula while cells are still totipotent
B) splitting of the blastocyst
C) polyspermy
D) inappropriate implantation of the embryo into the endometrium
E) fertilization of more than one ova
Correct Answer:
Verified
Q31: The absence of in the fetus will
Q32: Each ova is embedded within a with
Q33: During the follicular phase of the ovarian
Q34: Which of the following is NOT a
Q35: Chromosomes other than the sex chromosomes are
Q37: The elevated plasma concentration of estrogen early
Q38: The hormonal trigger for menstruation involves a
A)drop
Q39: What is a function of the blood-
Q40: Where does fertilization usually occur?
A)cervical canal
B)vagina
C)uterus
D)uterine (fallopian)tube
E)ovary
Q41: Where are spermatogonia located?
A)attached to Leydig cells
B)anywhere
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