Sex chromosomes Flashcards

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1
Q

Explain how the human x and y chromosomes determine gender

A

Humans have 23 pairs of chromosomes.

The final pair (pair 23), are called sex chromosomes because they determine your biological sex.

If you have 2 ‘x’ chromosomes (xx) your biologically female.

If you have one of each type ‘xy’ your biologically male.

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