Add Yahoo as a preferred source to see more of our stories on Google. sperm illustration Potentially harmful DNA mutations can amass in men's sperm as they age, new research has found, which may in ...

Genetic changes that create ever-expanding numbers of identical sperm cells are more widespread than previously thought, according to a new study led by researchers at Harvard Medical School. The team ...

Serially cloned mice hit a genetic “dead end” by generation 58, underscoring that sex evolved for variation, purging harmful mutations and keeping lineages viable.

A technician inspects through a microscope a semen sample at a human sperm bank inside a hospital in Hefei, Anhui province, China February 21, 2019. Picture taken February 21, 2019. REUTERS/Stringer ...

Researchers from Karolinska Institutet have discovered how mammalian cells prevent the gradual buildup of harmful mutations in mitochondrial DNA, the small but vital genome that powers every cell. The ...

Florida panthers are making a comeback. That's the conclusion a team including UCLA biologists has come to following an attempt at a genetic rescue for the cat that began 30 years ago. Subscribe to ...

Polβ-dependent DNA demethylation is essential for neuronal development. During neuronal development, DNA demethylation at enhancer regions is required to activate gene expression. In the absence of ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Genes and their variants interact in complex ways, so even “harmful” mutations can sometimes ...

A national study led by the University of Alabama at Birmingham (UAB) is helping explain why some childhood cancer survivors develop new cancers years after their original treatment. The research, ...

Everyday DNA mutations can help us understand immune function and aging—and even mitigate harm caused by some inherited ...

Revealing the limitations of cloning, researchers who repeatedly cloned mice for two decades have discovered that such serial duplication triggers grave genetic mutations that accumulate over the ...