From eye color to dimples, the traits that make us unique are rooted in the fascinating science of genetics. Our genes, inherited from both parents, interact in complex ways to determine our physical ...

The existence of transgenerational epigenetic inheritance has now been demonstrated among Drosophila fruit flies. By temporarily modifying the function of Polycomb Group (PcG) proteins--which play an ...

For years, genes have been considered the one and only way biological traits could be passed down through generations of organisms. Not anymore. Increasingly, biologists are finding that non-genetic ...