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22-02-2021
Biology

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

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aniya132435 aniya132435

22-02-2021

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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