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3 years ago

10

Which pair of sex chromosomes makes a person male: XX or XY

2 answers:

Rashid [163]3 years ago

5 0

XY is the answer, thanks me if it correct

kondaur [170]3 years ago

5 0

A male person has the sex chromosomes of XY. Female persons have the chromosomes of XX. In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively. Hormone levels in the male parent affect the sex ratio of sperm in humans.

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