Question

Which combination of sex chromosomes results in a female fetus

Answer 1

Because a female's eggs only contain X chromosomes, the chromosome found in the male's sperm decides the sex of the embryo. There are only two possiblecombinations, XX or XY. An embryo with the XX genotype is a female, while the XY genotype produces a male.

Answer 2

An embryo with the XX genotype is a female, while the XY genotype produces a male.

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