38. Shortly after fertilization has occurred, the ovum undergoes a number of mitotic divisions that transforms it...

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Medical Sciences

38. Shortly after fertilization has occurred, the ovumundergoes a number of mitotic divisions that
transforms it into a ________, this stage ofdevelopment occurs in the _
A) Trophoblast: Endometrium
B) Blastocele: Ovaries
C) Morula: Fallopian Tube
D: Chorian: Uterus
E) Ovary: Amnion
41. The presence of both dihydrotestosterone and in the fetus will further the developmentof
the ___ into the male reproductivetract.
A) Estrogen: Wolffian ducts
B) Mullerian-promoting substance : Mullerianducts
C) Wolffian-promoting substance: Wolffianducts
D) Wolffian-inhibiting substance : Mullerianducts
E) Mullerian-inhibiting substance : Wolffianducts
42. Which of the following is not a function ofgranulosa cells?
A) Secreting chemical messengers that target theoocytes
B) Transporting nutrients to the oocyteâ€™sinterior
C) Secreting a protein called inhibin
D) Serving as an intermediary between the oocytes andsperm
E) All of the above are functions of granulosacells

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4.1 Ratings (474 Votes)

1 After the zygote formation typical mitotic divisions of the nucleus occurs by producing two blastomeres The two cell stage is reached approximately 30 hours after the fertilization The blastomeres continue to divide by binary division through 4816 celled stage until a cluster of cells is formed and is called MORULA in the FALLOPIAN TUBE Morula after spending about 3 days in fallopian tube enters the Uterine cavity in the 1664 celled stage The central cell of the morula is called inner cell mass which forms the embryo See Answer

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