Chromosomes in egg cells within fetal ovaries must be spliced and sorted perfectly. A new landmark study from UC Davis shows how protecting Holliday junctions allows this to happen.

When you buy through links on our articles, Future and its syndication partners may earn a commission. It could be a major reason why females tend to have longer lifespans. | Credit: Illustration by ...

The Y chromosome can disappear over time in human males, which may introduce a number of health problems. While the exact trigger for such degeneration is unknown, environmental factors can play a ...