Variations in the properties of arabica coffee, such as in taste, caffeine content and disease resistance, are determined by chromosome mutations, according to a recent study. But are these findings ...

Healthy cells work hard to maintain the integrity of our DNA, but occasionally, a chromosome can get separated from the others and break apart during cell division. The tiny fragments of DNA then get ...

An international study has identified more than 50 genes on the X chromosome in which mutations may cause poor sperm production. Nearly half of all men with low or zero sperm count have no medical ...