Cancer cells acquire genetic changes that allow them to grow and proliferate unchecked. Researchers at the Dana-Faber Cancer Institute and colleagues have now found another difference between cancer ...

In most mammals, females have two X chromosomes and males have one X and one Y chromosome in each of their cells. To avoid a double dose of X-linked genes in females, one of the Xs is silenced early ...

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 ...

Researchers at Linköping University in Sweden made an unexpected discovery while investigating genetically unique women. Their insights advance our understanding of our most enigmatic chromosome, the ...