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schepotkina [342]
4 years ago
11

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

Biology
2 answers:
Snezhnost [94]4 years ago
7 0

Answer:

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.

agasfer [191]4 years ago
3 0

Answer:

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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