THE determination of chromosome number in human somatic tissues has been the cause of controversy from time to time. Recently, Timonen 1 made an extensive study on the variations of the chromosome ...

You have full access to this article via your institution. Figure 1: Comparative location of orthologous genes on chicken Z and human chromosome 9.

Track and field moved toward adopting rules that would place athletes assigned female at birth but have higher testosterone ...

"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 ...

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...

Quantification and characterization of these multiple HML-2 insertions in the human chromosome has been challenging due to their size, sequence homology with each other, and their repetitive nature.

Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological ...

Jan. 30, 2025 — The most complex engineering of human cell lines ever has been achieved by scientists, revealing that our genomes are more resilient to significant structural changes than was ...

eLife is a non-profit organisation inspired by research funders and led by scientists. Our mission is to help scientists accelerate discovery by operating a platform for research communication that ...

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 ...

A study of occupational status published in Nature Human Behavior identifies 106 genetic variants, the importance of the interplay of genetics and family environment, childhood educational and ...