A piece of woolly mammoth skin excavated from the Siberian permafrost has been found to contain fossil chromosomes in a first-of-its-kind discovery, according to a new study. Researchers unearthed the ...

The sex chromosomes X and Y are non-homologous, meaning they do not share many gene sequences or structures, but both contain a gene called SHOX located in pseudoautosomal region 1 (PAR1), a small ...

A Cornell-led study is challenging a decades-old explanation for how chromosomes exchange genetic material within the ...

A crack team of scientists has made a remarkable discovery in the small molecules of a giant creature: immaculately preserved genome architecture in the 52,000-year-old remains of a woolly mammoth.

A new analysis of ancient DNA has found that Neanderthal genomes contain 62 percent more ancestry from anatomically modern ...

The Atlas blue butterfly, also known as Polyommatus atlantica, has been genetically confirmed as having the highest number of chromosomes out of all multicellular animals in the world. This insect ...

The loss of the Y chromosome in tumour cells is linked to poor outcomes for people with cancer 1, but this genetic alteration might also compromise immune cells that would otherwise fight the disease.

Egg cells missing a key protein may be more likely to end up with the wrong number of chromosomes, but an mRNA injection that ...

When a human cell prepares to split into two daughter cells, it must first construct a tiny internal machine called the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A piece of woolly ...