Learn about the xx and xy chromosomes, the sex determination system, and other chromosome combinations. In this system, the sex of an individual usually is determined by a pair of sex chromosomes Typically, females have two of the same kind of sex chromosome (xx), and are called the homogametic sex. 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.
Sex chromosomes are more complex than most people think While we’re usually taught that there are two types — xx and xy — many more variations exist. 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
Every intersex person is different, and the body parts they might have vary Just like there is no right way to be a boy or girl, there is no right way to be intersex.
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