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 ...

Klinefelter syndrome is a genetic condition that affects only males. Here's what you should know about the causes, symptoms, and treatment options for the condition. Klinefelter syndrome is a genetic ...

Gene editing techniques may eventually allow trisomy to be treated at the cellular level, according to an in vitro proof-of-concept study. Down syndrome is caused by the presence of a third copy ...

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

Turner syndrome is a rare genetic disorder found in some women and people assigned female at birth. It can cause short stature and a range of health issues including heart defects, learning ...

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

The Department of Health and Human Services, under the leadership of Robert F. | The Department of Health and Human Services, ...

Feb. 21, 2025 — A hybrid microscope allows scientists to simultaneously image the full 3D orientation and position of an ensemble of molecules, such as labeled proteins inside cells. The ...

Imposter syndrome is when you doubt your own skills and successes. You feel you're not as talented or worthy as others believe, and you're scared that one day, people will realize that.

For example, 47,XYY syndrome, also known as Jacobs ... For example, those with complete androgen insensitivity syndrome possess XY chromosomes, but because their bodies don’t respond to ...

Fertilized eggs do have sex chromosomes ... syndrome, a common condition in which a male assigned at birth has an extra copy of the X chromosome. Chromosomal variations such as XXY, XYY and ...