6
QuizMultiple Choice

The Reproductive Process

Question 6 • Biology - SC3209 IC

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

Answer
A
A primary oocyte contains 46 chromosomes, while a secondary oocyte contains 23 chromosomes.
B
A primary oocyte is produced after birth, while a secondary oocyte is produced before birth.
C
A primary oocyte develops in both men and women, while a secondary oocyte develops only in women.
D
A primary oocyte is the product of meiosis, while a secondary oocyte is the product of mitosis.

Explanation

A primary oocyte has 46 chromosomes. After it completes meiosis I, it becomes a secondary oocyte with 23 chromosomes, although each chromosome still consists of two sister chromatids. Therefore, the difference described in choice A is correct.

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