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Sex chromosomes are the genetic elements that define a person's biological sex While most people are typical xy males or xx females, many people are intersex. Learn about the xx and xy chromosomes, the sex determination system, and other chromosome combinations.

In this system, the karyotypic sex of an individual is usually determined by a pair of sex chromosomes Beyond the binary there are more than just two possible sexes for which the chromosomes can carry instructions Typically, karyotypic females have two of the same kind of sex chromosome (xx), and are called.

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. Females receive two x chromosomes, represented by xx Males receive an x and a y chromosome, represented as xy

But where do the x and the y come from Like all chromosomes, the x and y chromosomes that determine gender are passed from parents to offspring To understand how this happens, let’s look at a special type of cell division called. You probably remember this legendary illustration in a biological textbook

Sex chromosome (chromosome) is a microscope, female is xx and male is xy.

On the left are factors that influence sex differentiation Next to that is 46xx, meaning a person with 46 chromosomes of which two are xx These individuals would develop as female On the far right is 46xy, a person with 46 chromosomes of which two are xy

These individuals would develop as male. Without an sry, an embryo will develop as a female instead of as a male whether it has a y chromosome or not

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