AGB-0076
QUESTION
Developmental stage of oocyte on the ovary of newborn calf is?
OPTIONS
(A) Gonocyte
(B) Oogonium
(C) Primary oocytes
(D) Secondary oocyte
ANSWER
(C) Primary oocytes
EXPLANATION
At birth, the oocytes present in the ovary of a newborn calf are primary oocytes that have entered meiosis and are arrested in prophase I. Oogonia are the earlier germ-cell stage before meiotic entry, secondary oocytes arise only after completion of meiosis I, and gonocyte is an earlier embryonic germ-cell designation.
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