Biologists shed light on the evolution and consequences of selfish genetic elements

The human genome is littered with “selfish genetic elements,” which do not seem to benefit their hosts, but instead seek only to propagate themselves. Selfish genetic elements can wreak havoc by, for instance, distorting sex ratios, impairing fertility, causing harmful mutations, and even potentially causing population extinction. Biologists at the University of Rochester, including Amanda … Read more