Meiosis - Paper 1 Flashcards
(6 cards)
1
Q
What is meiosis?
A
The division of
2
Q
What does meiosis produce?
A
4 genetically different haploid gametes
3
Q
Give the 4 steps of meiosis
A
Replicate chromosomes
Similar chromosomes pair up along the middle of the cell
1st division - chromosome pairs are pulled apart and the cell splits
2nd division - chromosome arms are pulled apart and the cell splits again
4
Q
How many times does a cell divide in meiosis?
A
Twice
5
Q
How many cells does meiosis produce?
A
4
6
Q
Why is it important for meiosis to produce haploid gametes?
A
To prevent the doubling of chromosome number in each generation following sexual reproduction