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3 May, 06:08

Which sex chromosome determines the sex of a baby?

Explain your answer.

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Answers (2)
  1. 3 May, 08:15
    0
    Y chromosomes

    Explanation:

    If a baby has chromosome Y in the sex chromosome set. Like XY than that is a baby boy. If the sex chromosome set has XX sequence than that is a baby girl. So, the Y chromosome determines the sex of the baby.
  2. 3 May, 09:54
    0
    XX chromosome

    Explanation:

    Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome. An X chromosome combines with the mother's X chromosome to make a baby girl (XX) and a Y chromosome will combine with the mother's to make a boy (XY).
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