Genetics: the sex of an individual depends on the presence or absence of a Y chromosome. A male’s sex genotype is XY while a female’s is XX.

There’s “about” a 50% chance of having a boy or a girl depending on which sex chromosome the father passes down.

Question

the sex of an individual depends on the presence or absence of a Y chromosome. A male’s sex genotype is XY while a female’s is XX.

There’s “about” a 50% chance of having a boy or a girl depending on which sex chromosome the father passes down.

HAYTHAM ABOUELFAID · Accepted Answer

Sex Chromosomes

The sex of an individual depends on the presence or absence of a Y chromosome. A male’s sex genotype is XY while a female’s is XX. There’s “about” a 50% chance of having a boy or a girl depending on which sex chromosome the father passes down.