Down syndrome is a genetic disorder caused by an extra chromosome 21, affecting brain and body development. It leads to ...

Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For ...

Human biology is not black and white. Although newborns are typically categorized as male or female at birth based on visible ...

It is a genetic condition caused when an unusual cell division result in an extra full or even partial copy of chromosome 21.

Scientists discover that women's second X chromosome awakens later in life, expressing genes that protect the brain from ...

Buckley did note that more work is needed to see how this phenomenon unfolds in the human brain. And in the long term, it would behoove scientists to study the role of the Y chromosome in brain ...

Researchers have shed new light on how a type of heart valve disease—aortic valve stenosis—progresses differently in males and females. The research paves the way for treatments that can be tailored ...

Females carry two X chromosomes. One of them is ensconced in a corner in the cell called the Barr body, where it can’t express many ... that as female mice reached the equivalent of about 65 human ...

Females carry two X chromosomes. One of them is ensconced in a corner in the cell called the Barr body, where it can't ... the equivalent of about 65 human years, their 'silent' second X started ...

Females carry two X chromosomes. One of them is ensconced in a corner in the cell called the Barr body, where it can ... the equivalent of about 65 human years, their ‘silent’ second X ...