Female flies respond to sensation of sex, not just sperm

Female fruit flies can feel when a sexual partner is a good fit. Scientists have long known that proteins in a male fly's ejaculate make female flies temporarily lose interest in other partners. It's a trick male flies use ...

Male mice found able to bias gender ratios of offspring

An international team of researchers has discovered that contrary to conventional views, a male mammal was found able to exert inadvertent gender bias ratios in his offspring. In their paper published in the journal Proceedings ...

Adjusting the balance of X-chromosome dosage

A new study by researchers at Karolinska Institutet identify major sex differences in the timing of X chromosome upregulation, a finding that is vital for understanding central gene-regulatory processes in early fetal development. ...

The male Y chromosome does more than we thought

New light is being shed on a little-known role of Y chromosome genes, specific to males, that could explain why men suffer differently than women from various diseases, including COVID-19.

page 1 from 6