But if the egg gets a y chromosome, the baby is xy, or male. The xx/xy system is found in most other mammals, as well as some insects In this system, females have two of the same kind of sex chromosome (xx), while males have two distinct sex chromosomes (xy). Actually, sex chromosomes and genetic expression vary widely, beyond a penis/vagina or xy/xx binary Xx and xy with the aforementioned expressions are the most common sex chromosomes and corresponding organs, but they’re not the only ones. Individuals having two x chromosomes (xx) are female
Individuals having one x chromosome and one y chromosome (xy) are male The x chromosome resembles a large autosomal chromosome with a long and a short arm. The extraordinary complexity of sex determination a host of factors figure into whether someone is female, male or somewhere in between While most people are typical xy males or xx females, many people are intersex Intersex people are born with both masculine and feminine body parts Every intersex person is different, and the body parts they might have vary
