From the moment of conception, your baby has the genetic information to become a boy or girl — but because both sexes start out the same in the womb, you're going to have to wait to find out that info ...

“Under Trump's executive order, every single person in America is now legally classified as female.” President Donald Trump issued an executive order defining the terms "male" and "female" based on ...

Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two ...

President Trump’s executive order recognizing only two sexes — male and female — includes language that is biologically ...

Women are born with two X chromosomes and inherit one from each parent. But in every cell of their body, just one X chromosome is needed – so the other is randomly inactivated. Some cells use only a ...

Although long considered a disease of aging, certain cancers are turning up more often in younger women, according to a new report. By Roni Caryn Rabin More Americans are surviving cancer, but the ...

Thankfully the symbols they use are (mostly) universal, so once you've learned what each represents (as we explain below) you shouldn't have any problems no matter what you find in your laundry basket ...

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Pope Francis has emphasized the need for a “more incisive female presence in the Church” and this appointment is a step in that direction. Brambilla’s appointment does not entail sacramental ...

Molecular genetic examinations, karyotype analysis, X-chromosome inactivation testing ... The proband is a 17-year-old female with a history of hemorrhage including epistaxis, gingival bleeding, skin ...

The research has a direct bearing on cases of genetically confused sex, in which both males and females may have an extra female sex chromosome. And this in turn may have surprising importance in ...