The evidence now shows that another man's genetic material was found on a pair of men's jeans discovered at the Shirley crime scene and in a victim's body, court papers show.

Erwin Chargaff's groundbreaking research, which showed that DNA base pairs had a complementary relationship, laid the foundation for James Watson's and Francis Crick's DNA model. When word spread that ...

Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases. (Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base ...

DNA is the molecular basis of heredity, the inherited traits that pass between generations in a person's family tree.