Question

The egg from the mother determines a baby's gender. True False

Answer 1

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.

This answer is from Wikipedia.

Answer 2

The egg (from the mother) already contains an X chromosome. Therefore the sex of a baby is determined by the X or Y chromosome of the sperm cell from the father. A baby girl will result if there is XX, and a baby boy will result if the final arrangement is XY.

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