Rare genetic traits are features that are uncommon within the general population. They can lead to different observable features or to rare physical abilities. Rare genetic traits are typically ...

A random mutation in a gene can alter its function and bring about a new characteristic that can pass down for many generations, but this may not be the only way that organisms can inherit a trait.

Chinese researchers recently uncovered molecular evidence supporting Lamarckism—a long-debated theory from the early 19th century that acquired characteristics can be inherited. The evidence was ...