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Sex chromosomes are the genetic elements that define a person's biological sex This simple combination plays a significant role in sexual differentiation. Learn about the xx and xy chromosomes, the sex determination system, and other chromosome combinations.
Learn how this system works in humans, mammals, insects, plants and other species. The absence of the y chromosome leads to female development 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.
Cracking the code to sex and genetics Understand how these chromosomes influence your biology and health. Learn how sex chromosomes affect your sexual anatomy and reproductive development Find out about the different types of sex chromosomes, variations, and intersex conditions.
Sex determination sex determination involves the x and y chromosomes
Females have two x chromosomes (xx) Males have one x and one y chromosome (xy) The presence of the y chromosome triggers male development
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