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.
Daphne O. Martschenko and Sam Trejo both want to make the world a better, fairer, more equitable place. But they disagree on ...
In 2008, genetic research suggested that Ötzi’s maternal lineage was extinct. His mitochondrial DNA (mtDNA) carried a rare signature never observed in any living person, leading researchers to ...
FAYETTEVILLE, GA, UNITED STATES, February 15, 2026 /EINPresswire.com/ -- Age-related cataract is often viewed as an ...
Researchers at the MRC Laboratory of Medical Sciences (LMS) and Imperial College London have shown for the first time that, before they can start developing into egg and sperm cells, the embryonic ...
New @hopkinskimmel research finds extra copies of chromosome 1q may drive the earliest stages of pancreatic cancer. › ...
Researchers at the Johns Hopkins Kimmel Cancer Center and its Ludwig Center uncovered new evidence that extra copies of a specific chromosome segment ...
In human cells, DNA carries chemical or "epigenetic" marks that decide how genes will be used in different tissues. Yet in a ...
A research team led by scientists at Queen Mary University of London and University College London (UCL) has found new clues ...
White-throated sparrows reveal nature's complexity, showcasing a spectrum of sexual identities beyond the traditional binary classification.
Centromeres play virtually the same central role across the entire tree of life: They ensure the faithful segregation of chromosomes during cell division. Yet the striking diversity in centromere ...
Centromeres are regions of DNA where the cell's machinery grabs each chromosome and pulls it into the two daughter cells. Centromeres are essential ...