Researchers have found the first direct evidence that an acquired trait can be inherited without any DNA involvement. The findings suggest that Lamarck, whose theory of evolution was eclipsed by ...

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.

Before Charles Darwin, the leading evolutionary theorist was Jean-Baptise Lamarck, who believed organisms acquired traits over their lifetimes that they then passed onto their children. This theory ...

To help students understand the program's basic science concepts, review the following terms with them: gene, gene pool, selective pressure, mutation, species, genetic isolation, inherited trait, and ...

In a fundamental challenge to more than a century of Darwinian dominance, Chinese scientists have revived a long-dismissed evolutionary theory by proving that acquired traits can shape heredity – no ...