Which best describes oogenesis and spermatogenesis?

Question

Which best describes oogenesis and spermatogenesis? a. during oogenesis, the cells become haploid after meiosis i, while in spermatogenesis, the cells become haploid after meiosis ii. b. in both oogenesis and spermatogenesis, the cells become haploid after meiosis i. c. in both oogenesis and spermatogenesis, the cells become haploid after meiosis ii. d. during spermatogenesis, the cells become haploid after meiosis i, while in oogenesis, the cells become haploid after meiosis ii.

Prof. Vaughn Howell · Accepted Answer

B. Inboth oogenesis and spermatogenesis, the cells become haploid after meiosis I.In the last stage of Meosis I (Telophase I),cytokinesis has separated the 2 cells apart and form 2 daughter cells thatcontain half of the original number of chromosomes. The same processes happen during oogenesisand spermatogenesis.

Prof. Vaughn Howell · Answer

B. In both oogenesis and spermatogenesis, the cells become haploid after meiosis I.Explanation: i got it right

Prof. Vaughn Howell · Answer

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.

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Which best describes oogenesis and spermatogenesis?

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