The State Department has confirmed that US Passports with X gender markers will remain valid until expiration.

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 ...

President Donald Trump issued an executive order defining the terms "male ... that female fetal development was the default pathway, stopped only by the activation of a Y chromosome gene that ...

This valuable paper describes the stiffness of meiotic chromosomes in both oocytes and spermatocytes. The authors identify differences in stiffness between meiosis I and II chromosomes, as well as an ...

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 possible explanations — and hopes to get confirmation in the coming months.

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don’t ...

Trump’s executive order on “Gender Ideology Extremism and Restoring Biological Truth to the Federal Government,” intended as an attack on transgender American s and disingenuously disguised as ...

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don ...

Uncovering the role of Y chromosome genes in male fertility in mice. ScienceDaily . Retrieved February 13, 2025 from www.sciencedaily.com / releases / 2025 / 01 / 250123163201.htm ...

According to the order, the US only recognizes two sexes, male and female ... and are phenotypically female." The reality, of course, is while sex markers like chromosomes are immutable, people ...