UCSF researchers found that brain cells age more quickly when they rely solely on the X chromosome inherited from a female's ...

In addition, epigenetics is important for X-chromosome inactivation in female mammals, which is necessary so that females do not have twice the number of X-chromosome gene products as males (Egger ...

President Joe Biden, facing serious questions about advanced age, prioritized America over self-interest, passing the torch to extremely well-prepared ...

Chromosome abnormality is the condition in a cell or organism where the number of chromosomes or the structure of any chromosome differs from the normal karyotype. When the variant genotype is not ...