When mothers shut down the fathers' genes in plant embryos

In humans, and many other species, both genes inherited from the mother and from the father influence how embryos develop. In the liverwort Marchantia polymorpha, however, the mother has total control, as researchers from ...

Turbulent nature of menopause triggered by gene battles

The hormonal mayhem, reduced fertility and hot flushes experienced by a woman in the run up to menopause may owe to warfare between her own genes, according to a team of scientists working in the United Kingdom and Japan.

Chromosome breakpoints contribute to genetic variation

A new study reveals that - contrary to decades of evolutionary thought - chromosome regions that are prone to breakage when new species are formed are a rich source of genetic variation.