IVE - Meiosis Flashcards
(5 cards)
1
Q
Whats a word for the sex cells i.e egg and sperm?
A
gametes
2
Q
Diploid cells have all 46 chromosomes. What are egg and sperm called?
A
haploid cells - they join to make a diploid.
3
Q
- Each cell has 46 chromosomes. Paternal and maternal cells. These are replicated to make identical pairs which…
A
line up along the centre of the cell.
4
Q
- 1st division -
A
when the cell divides, the maternal and paternal pairs of chromosomes are jumbled up. Remember, each half gets chromosomes that are still attached to their identical duplicate.
5
Q
- 2nd division -
A
now when the two halves divide again, 4 haploid cells are made with 23 chromosomes each, some that were originally paternal and some that were originally maternal.