Sex chromosomes are chromosomes, or packages of DNA, that are found inside the nucleus of all of your cells. There are two different kinds: X and Y, which determine whether you’re biologically male ...

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Mutations in the X chromosome often cause intellectual disability, and women born with just one X chromosome (a diagnosis known as Turner Syndrome), can have cognitive impairments. X chromosomes, some ...

Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have identified a mechanism that protects the female brain from genetic diseases. Although one of the two X chromosomes is ...

In female mammals, one of the two X chromosomes is usually inactive and forms the so-called Barr body. The image shows a cell nucleus with the Barr body marked in green. Unlike men, who carry one X ...

Older female mice show poor spatial memory when their paternal X chromosome is inactive and only the maternal copy is active. This phenomenon could be responsible for variation in age-related ...

A new study recently discovered that the X chromosome the mother passes down may be responsible for accelerating brain ageing ...

X-chromosome inactivation varies across different areas of brains. Here, fluorescent imaging data from a mouse reveal where the father’s X chromosome is most active (white) and least active (blue). A ...

Chromosomes are tightly coiled structures in each of your cells that contain DNA, the code for all life. DNA is organized in segments on chromosomes called genes. Humans typically have 46 chromosomes ...