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In the xx/xy system, karyotypic females usually have two x chromosomes (xx), while karyotypic males usually have a single x and a single y chromosome (xy). Just like there is no right way to be a boy or girl, there is no right way to be intersex. Sex chromosomes are the genetic elements that define a person's biological sex

Learn about the xx and xy chromosomes, the sex determination system, and other chromosome combinations. Every intersex person is different, and the body parts they might have vary Furthermore, xx chromosomes occur in homogametic sex while xy chromosomes occur in the heterogametic sex.

The thing is, xx and xy chromosomes aren’t cut and dry, either

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. Sex chromosome, either of a pair of chromosomes that determine whether an individual is male or female The sex chromosomes of human beings and other mammals are designated by scientists as x and y

In humans the sex chromosomes consist of one pair of the total of 23 pairs of chromosomes. Xx and xy chromosomes are only part of the story Discover how sex chromosomes vary naturally and why biological sex isn't always binary Learn about dsds and intersex variations.

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

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