Both bills were attacked in a press conference by Sen. Erin Maye Quade, DFL-Apple Valley, who said the bills threaten the ...

Lo's blood tests can potentially reveal more information about patients' health, from cancers to neurodegenerative conditions ...

In a study published in Nature, researchers report the successful in vitro reconstitution of meiotic DNA double-strand breaks ...

People who have one of several well-documented medical conditions do not have only XX or XY chromosomes, which typically correspond with female and male sexes, respectively. Those conditions include ...

“It is the policy of the United States to recognize two sexes, male and female.” “‘Female’ means a person belonging, at ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

In their effort to answer a decades-old biological question about how the hepatitis B virus (HBV) is able to establish ...

Gene editing techniques may eventually allow trisomy to be treated at the cellular level, according to an in vitro ...

In this week's PEOPLE cover story, Denise Richards opens up about her daughter Eloise, and the blessings and challenges she's ...

The president’s executive order signaled an intention to narrowly define the sexes, but experts say he is oversimplifying the ...

Gene editing techniques may one day allow for the removal of the extra chromosome that causes Down syndrome, early ...

Testosterone therapy nearly halves mortality in men with Klinefelter syndrome, highlighting the need for early diagnosis and ...