Variants in a nicotine receptor gene are associated with a lower likelihood of heavy smoking, according to a study published ...

"By following universal paralogs," says Kaçar, "we can connect the earliest steps of life on Earth to the tools of modern ...

Researchers at the Icahn School of Medicine at Mount Sinai and others have identified a neurodevelopmental disorder, caused by mutations in a single gene, that affects tens of thousands of people ...

People often remark that allergies run in their family, but the genetic causes have remained unclear. Previous food allergy ...

Why cells grow to just the right size has long baffled scientists. Too small or too large, and cells can trigger serious diseases, but the genetic switch behind this balance has remained elusive. Now, ...

For millennia, evolution has intrigued many great thinkers, prompting questions about how new traits emerge as species adapt over time. Then, attention shifted to natural selection and the inheritance ...

Discover how an ancient gene influences the sex of ant, bee, and wasp embryos, impacting conservation and breeding practices.

RNA, or ribonucleic acid, is a short-lived molecule copied from DNA that enables cells to use genetic information. Specific DNA sequences are copied into RNA, which then delivers these instructions to ...

New techniques to detect Y chromosome genes show frequent loss of the Y in tissues of older men. The increase with age is clear: 40% of 60-year-old men show loss of Y, but 57% of 90-year-olds.