Created with Sketch. Also known as XXY syndrome, this rare condition occurs when male babies are born with an extra X chromosome. These individuals tend to have smaller genitalia, extreme shyness ...

Females (XX) carry twice as many X-linked genes on their sex chromosomes as males (XY). How do cells control gene expression to manage this potentially lethal dosage problem? A prime example of X ...

While women’s genetic makeup makes them more prone to autoimmune diseases, are there other factors contributing to the ...

Based on his observations, Henking hypothesized that this extra chromosome, the X element, must play some role in determining the sex of insects. However, he was unable to gather any direct ...

Women are far more likely than men to get autoimmune diseases, when an out-of-whack immune system attacks their own bodies — and new research may finally explain why. It’s all about how the ...

Imagine the deep frustration of countless men who long to become fathers, only to face infertility due to a genetic condition ...

Female mammals have a higher risk of developing autoimmune conditions such as lupus because extra copies of genes ... male ...

For those with Klinefelter syndrome, this painful reality is a constant struggle. How does an extra X chromosome lead to infertility in men? Professor Qiao Jie and her team at Peking University ...

For those with Klinefelter syndrome, this painful reality is a constant struggle. How does an extra X chromosome lead to infertility in men? Professor Qiao Jie and her team at Peking University ...