Chromosome abnormality is the condition in a cell or organism where the number of chromosomes or the structure of any chromosome differs from the normal karyotype. When the variant genotype is not ...

Chromosomes are cellular structures that contain the genetic material. A chromosome is comprised of a single DNA molecule that may be either circular or linear. The full complement of a cell s ...

The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

President Trump issued an executive order declaring that the U.S. government would only recognize a person’s sex assigned at ...

"Given the fact that the X chromosome is enriched for brain-related genes, it became very important for us to know what roles it might be playing in brain aging," said Samira Abdulai-Saiku, Ph.D ...

Summary: New research shows that female mice expressing only a maternal X chromosome experience faster brain aging and cognitive decline compared to those expressing both maternal and paternal X ...

Cephalopods may have the oldest sex chromosomes of any animal, according to a new discovery in the octopus genome. That's a big deal given that scientists didn't know until now if these oddball ...

Entitled "Defending Women from Gender Ideology Extremism and Restoring Biological Truth to the Federal Government," Trump's ...

President Joe Biden, facing serious questions about advanced age, prioritized America over self-interest, passing the torch to extremely well-prepared ...

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

“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 ...