A) primary oocyte in the Graafian follicle
B) oogonial cell in the Graafian follicle
C) ootid in the fallopian tube
D) secondary oocyte in the fallopian tube
Correct Answer: A
Solution :
During growth phase of oogenesis, an egg nest forms ovarian follicle (Graafian follicle) one central oogonium grows and functions as primary oocyte. The others form the covering follicular cells. The later provide nourishment to primary oocyte. Yolk is deposited in this state. This phenomenon is called vitellogenesis.
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