Find the incorrect statement about human reproduction.

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Hormonal contraceptives are effective with lesser side effects and well accepted by females.

Primary oocyte completes meiosis-I when sperm enters the cytoplasm of the primary oocyte.

Spermatogenesis and oogenesis require different temperature.

Spermatogenesis takes place in seminiferous tubules of testes.

answer is B.

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Detailed Solution

The primary oocyte completes the first reduction division in the tertiary follicle and results in the formation of the secondary oocyte. The completion of the meiotic division in the secondary oocyte takes place when the sperm enters the cytoplasm of the ovum. The second meiotic division which is unequal results in the formation of a second polar body and an ootid (haploid ovum).

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