Gametogenesis Flashcards
1
Q
What is gametogenesis?
A
- the formation of mature gametes by the reproductive glands (gonads)
2
Q
What are gametes?
A
- sperm and eggs
3
Q
What does gametogenesis involve?
A
- meiosis
- a nuclear division which results in a halving of the number of chromosomes: from 46 (in body cells) to 23 (in gametes)
4
Q
Why does meiosis occur?
A
- to ensure that in fertilisation, the number of chromosomes returns to 46 in the zygote
5
Q
What is a zygote?
A
- a fertilised egg
