B2 - Meiosis Flashcards
1
Q
What is the definition of meiosis?
A
Meiosis produces cells which have half the normal number of chromosomes.
2
Q
How many chromosomes do gametes have?
A
23.
3
Q
What happens after gametes join at fertilisation?
A
The cells grows by repeatedly dividing by mitosis.
4
Q
What happens during meiosis?
A
1) the cell duplicates its DNA.
2) the cell divides randomly.
3) the cell divides randomly again.
