In 2002, evolutionary biologist Jenny Graves shared a controversial calculation. The human Y chromosome, she wrote two years ...

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 ...

Share on Facebook. Opens in a new tab or window Share on Bluesky. Opens in a new tab or window Share on X. Opens in a new tab or window Share on LinkedIn. Opens in a new tab or window Chromosome 1 ...

Scientists have finally filled the gaps in the sequence of the human Y chromosome, 20 years after the first draft of its DNA code was published. The work reveals a complete catalog of the genes in the ...

A comprehensive genetic analysis of over 200,000 men has found that around one in 500 have an extra sex chromosome, with most of them unaware. That’s a much higher proportion than previously thought, ...

Cancer cells with extra chromosomes depend on those chromosomes for tumor growth, a new Yale study reveals, and eliminating them prevents the cells from forming tumors. The findings, said the ...

Scientists have long known that cancer cells typically have extra chromosomes, but what exactly was the extra genetic material doing? New research from a team at Yale University has finally provided ...

Roughly 2,500-year-old DNA has revealed the first ancient person on record with Turner syndrome, a genetic condition in which a person has just a single X chromosome rather than two, a new study finds ...