In a new study, scientists have been able to use peptides taken from an ancient hominin to determine its sex – and at 3.5 ...

But just like Mendel and his peas don’t fully explain the actual complexity of genetic inheritance, simple definitions for ...

Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.

Netflix fans can't stop binge-watching 'addictive' conspiracy thriller for baffling reason as it rockets up the charts against all odds Legendary French soccer star's model daughter bares a ...

PREA instituted new changes like preventing unnecessary, invasive searches of inmates’ genitals to determine gender; considering whether housing assignments would pose safety threats based on ...

The department issued the guidance after widespread confusion over whether passports with “X” sex markers would be valid for international travel.