7. Which one of the following human cell in the reproductive system is not diploid?
(A) Oogonium
(B) Primary oocyte
(C) Spermatogonium
(D) Polar body
(E) Zygote
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統計: A(4), B(4), C(4), D(128), E(5) #2349802
統計: A(4), B(4), C(4), D(128), E(5) #2349802