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Luba_88 [7]
3 years ago
15

Which sex chromosome determines the sex of a baby?Explain your answer.​​

Biology
1 answer:
never [62]3 years ago
4 0

Answer:

Girls have two X chromosomes  and boys have chromosomes (XY).

Explanation:

Girls have two X chromosomes (XX), and boys have one X and one Y chromosome (XY). Whether a baby will be a boy or a girl is determined at the time of conception.

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