Mitosis And Meiosis And Sex Chromosomes Flashcards
(3 cards)
1
Q
Mitosis
A
Mitosis is cell division used by normal cells in body e.g skin cells
Single cell divides into two identical daughter cells each with 46 chromosomes (same as parent cell)
2
Q
Meiosis
A
Formation of egg or sperm cell
Cell with 46 chromosomes divides twice, resulting in 4 daughter cells each with only 23 chromosomes
3
Q
The 23rd pair of chromosomes in a zygote determine..
A
22 pairs of non sex chromosomes and 1 pair of sex chromosomes
(23 pairs in total = 46)
Female = xx Male=xy
