Example set of male human chromosomes. In the image, the X and Y chromosomes are indicated by arrows.
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Example set of male human chromosomes. In the image, the X and Y chromosomes are indicated by arrows.
Human chromosomes.
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In humans and many other animals, specific chromosomes determine sex. But how did researchers discover these so-called sex chromosomes?
During cell division in most organisms, DNA is packaged into multiple chromosomes — each of which has its own purpose — before being transmitted to the offspring cells. Of these chromosomes, one particular set has the purpose of determining the sex of these offspring. In this page, you will learn how chromosome-based sex determination works in different types of organisms.
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