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In Science / Junior High School | 2025-07-21

Sex chromosomes and sex determination ​

Asked by Princessjhell123

Answer (1)

Sex chromosomes are the chromosomes that decide whether a person is male or female.Humans have two sex chromosomes: X and Y.Girls have XX, while boys have XY.The father’s sperm decides the baby’s sex:If it gives an X, the baby is a girl (XX).If it gives a Y, the baby is a boy (XY).This process is called sex determination, and it happens when the egg and sperm join.In short, sex chromosomes (X and Y) are responsible for determining a person's biological sex.

Answered by ItzKeythAns | 2025-07-21

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