Multiple Choice
Which description is true for a secondary oocyte?
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27. The Reproductive System
Introduction to the Reproductive System
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How is gametogenesis different in females compared to males during meiosis?
A
Females produce gametes continuously, while males produce them cyclically.
B
Females undergo meiosis twice, while males undergo it once.
C
Females produce four viable gametes, while males produce one.
D
Females produce one viable gamete and three polar bodies, while males produce four viable gametes.
Verified step by step guidance1
Understand the process of gametogenesis, which is the formation of gametes (sperm and eggs) through meiosis in males and females.
In males, gametogenesis is called spermatogenesis. During spermatogenesis, meiosis results in four viable sperm cells from each precursor cell.
In females, gametogenesis is called oogenesis. During oogenesis, meiosis results in one viable egg and three polar bodies from each precursor cell.
Recognize that the production of polar bodies in females is a way to discard the extra sets of chromosomes, ensuring that the egg has the correct haploid number of chromosomes.
Note the difference in the number of viable gametes produced: males produce four viable sperm, while females produce one viable egg and three non-functional polar bodies.
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