Which best describes oogenesis and spermatogenesis?

ADuring oogenesis, the cells become haploid after meiosis I, while in spermatogenesis, the cells become haploid after meiosis II.
BIn both oogenesis and spermatogenesis, the cells become haploid after meiosis I.
CIn both oogenesis and spermatogenesis, the cells become haploid after meiosis II.
DDuring spermatogenesis, the cells become haploid after meiosis I, while in oogenesis, the cells become haploid after meiosis II.

Question

18-05-2016
Biology

Answered

Which best describes oogenesis and spermatogenesis?

ADuring oogenesis, the cells become haploid after meiosis I, while in spermatogenesis, the cells become haploid after meiosis II.
BIn both oogenesis and spermatogenesis, the cells become haploid after meiosis I.
CIn both oogenesis and spermatogenesis, the cells become haploid after meiosis II.
DDuring spermatogenesis, the cells become haploid after meiosis I, while in oogenesis, the cells become haploid after meiosis II.

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JcAlmighty JcAlmighty · Answer 1 · 2016-05-23T07:02:08-04:00

The answer is B. In both oogenesis and spermatogenesis, the cells become haploid after meiosis I.

Gametogenesis is a process in which gametes are produced. Oogenesis is a process in which egg cells are produced and spermatogenesis is a process in which sperm cells are produced. Both processes include meiosis.
Original diploid cell (primary oocyte or spermatogonium) has 46 chromosomes. After meiosis I, there are two haploid cells. After meiosis II, there are 4 haploid cells because meiosis II is similar to mitosis. The difference between spermatogenesis and oogenesis is that those 4 cells after meiosis II in spermatogenesis are all sperm cells, and in oogenesis only one of them is egg cell.

gigiziff gigiziff · Answer 2 · 2019-06-21T17:17:23-04:00

gigiziff gigiziff

21-06-2019

Answer:

B. In both oogenesis and spermatogenesis, the cells become haploid after meiosis I.

Explanation:

i got it right

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