Mitosis And Meiosis And Sex Chromosomes Flashcards by Charlotte Allen

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Mitosis

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)

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Meiosis

Formation of egg or sperm cell

Cell with 46 chromosomes divides twice, resulting in 4 daughter cells each with only 23 chromosomes

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The 23rd pair of chromosomes in a zygote determine..

22 pairs of non sex chromosomes and 1 pair of sex chromosomes
(23 pairs in total = 46)
Female = xx Male=xy

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Mitosis And Meiosis And Sex Chromosomes Flashcards

(3 cards)