Human DNA, which is approximately two meters in length, is organized into a compact, thread-like structure known as the chromatin, so it could fit into the nucleus, a tiny sphere that’s only about six ...

Repetitive DNA and the D1 protein help matching fruit fly chromosomes recognize one another before eggs form.

Sex, Genes and Chromosomes: Their Discovery, Function and Evolution Jennifer A. Marshall Graves Cambridge Univ. Press (2026) “Sex is the most profound normal difference between human individuals,” ...

Inside each human cell, about 2 meters (6.6 feet) of genomic DNA must be accurately copied and equally transmitted to two ...

A study led by bioengineers at the University of California San Diego sheds new light on how a type of heart valve disease, called aortic valve stenosis, progresses differently in males and females.

Today, it is common knowledge in biology textbooks that "genes are made of DNA and are lined up on chromosomes."However, more ...

Gecko sex chromosomes arose 22 separate times, and the genes already on a chromosome hint at whether it turns into an X or a ...

Cholesterol-lowering statins are among the most widely prescribed drugs in the world. They can have side effects, however, including muscle pain that affects twice as many women as men. When Karen ...

A new University of Utah-led study has discovered the mechanism behind a decades-old evolutionary mystery-how "selfish chromosomes" cheat the rules of genetic inheritance. The researchers found that ...

Autism has a significant and enduring sex bias, with roughly four boys diagnosed for every girl. For many years, experts have believed this disparity arises primarily from diagnostic inequities ...

Birds have developed a unique evolutionary solution to ensure the survival of males—a powerful microRNA. This tiny gene allows male embryos to survive despite a genetic imbalance between the sexes by ...