See what scientists believe about humans' artificial selection pressures on the dog genome. Aa Aa Aa Any dog lover knows that Labrador retrievers are friendly, Dalmatians are hyper, and Australian ...

A new study on dogs found that chromatin's spatial structure ... chromatin-;the complex of DNA and proteins that make up chromosomes-;spatial structure and causes differences in gene expression.

The coywolf sounds like something out of a science fiction, but it's just part coyote ( Canis latrans ), part gray wolf ( ...