LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Unlike mitosis, meiosis in male mammals results in the formation of
A
one haploid gamete
B
three diploid gametes
C
four diploid gametes
D
four haploid gametes
Explanation: 

Detailed explanation-1: -Thus, the products of meiosis II are four haploid cells that contain a single copy of each chromosome. In mammals, the number of viable gametes obtained from meiosis differs between males and females. In males, four haploid spermatids of similar size are produced from each spermatogonium.

Detailed explanation-2: -At the end of meiosis, four haploid cells have been produced, but the cells are not yet gametes. The cells need to develop before they become mature gametes capable of fertilization. The development of diploid cells into gametes is called gametogenesis. It differs between males and females.

Detailed explanation-3: -The two meiotic cell divisions in males are consecutive and result in four haploid sperm from each spermatogonium that initiates meiosis.

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