A single pair of mouflon introduced to Haute Island in 1957 founded an isolated population. Researchers observed genetic ...

Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico. "We went into this thinking that there was one species of conservation ...

Much change is due to random genetic drift rather than positive selection. It could be called the survival of the luckiest. You might think that largely neutral mutations would remain restricted to a ...

Eastern Pennsylvania is home to beautiful farmlands and countryside, but it's also a gold mine of information for geneticists, who have studied the region's Amish culture for decades. Because of their ...

A new evolutionary theory suggests that some asexual parasites may temporarily be able to infect a wider range of hosts as harmful genetic mutations build up. In a paper published in Trends in ...