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.

Question

Biology

Elsie Santos

11 June, 19:35

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.

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Answers (1)

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Jadyn Strickland · Answer 1

Answer: B. In both 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 that contain half of the original number of chromosomes. The same processes happen during oogenesis and spermatogenesis.