What is one difference between a primary oocyte and a secondary oocyte in humans?

A primary oocyte contains 46 chromosomes, while a secondary oocyte contains 23 chromosomes.

A primary oocyte is produced after birth, while a secondary oocyte is produced before birth.

A primary oocyte develops in both men and women, while a secondary oocyte develops only in women.

A primary oocyte is the product of meiosis, while a secondary oocyte is the product of mitosis.

Question

Mac

Biology

5 August, 21:05

What is one difference between a primary oocyte and a secondary oocyte in humans?

A primary oocyte contains 46 chromosomes, while a secondary oocyte contains 23 chromosomes.

A primary oocyte is produced after birth, while a secondary oocyte is produced before birth.

A primary oocyte develops in both men and women, while a secondary oocyte develops only in women.

A primary oocyte is the product of meiosis, while a secondary oocyte is the product of mitosis.

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Answers (1)

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Evelin Miles · Answer 1

The answer is A primary oocyte contains 46 chromosomes, while a secondary oocyte contains 23 chromosomes.

Oogenesis is a process in which egg cells (female gametes) are produced. Original diploid cell - primary oocyte has 46 chromosomes. After meiosis I, there are two haploid cells - secondary oocytes with 23 chromosomes. After meiosis II, there are 4 haploid cells because meiosis II is similar to mitosis. Only one of these 4 cells is egg cell.