Spermatogenesis Flashcards
1
Q
What is spermatogenesis?
A
male gamete production
2
Q
How is spermatogonia produced?
A
Spermatogonia in the testes produced by mitosis
• are diploid (2n)
3
Q
What are the steps of spermatogenesis?
A
- Spermatogonium
- Primary spermatocyte
- Secondary spermatocytes
- Spermatids
- Spermatogenesis
4
Q
What happens in spermatogonium?
A
A spermatogonium enters prophase 1, becomes a primary spermatocyte
These are diploid (2n)
5
Q
What happens in primary spermatocyte?
A
Each primary spermatocyte completes meiosis 1, producing two secondary spermatocytes
These secondary spermatocytes at haploid (1n)
6
Q
What happens in secondary spermatocytes?
A
the secondary spermatocytes undergo meiosis 2 and produce two haploid spermatids each
7
Q
What happens in spermatids and spermatogenesis?
A
The spermatids mature in sperm.
4 haploid sperm
