The sex of a child is determined by:

Name: The sex of a child is determined by:
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The sex of a child is determined by the chromosome contributed by the male. Females have two X chromosomes (XX), while males have one X and one Y chromosome (XY). The sperm from the male can carry either an X or a Y chromosome, which, when combined with the X chromosome from the female, determines the sex of the child (XX for a girl, XY for a boy).

The Sex of a Child Is Determined By