In Mendelian inheritance patterns, you receive one version of a gene, called an allele, from each parent. These alleles can be dominant or recessive. Non-Mendelian genetics don’t completely follow ...

In this episode, Dr. Tina Lasisi walks us through how we genetically inherit skin color. Have you ever been convinced that you’re adopted because your parents have a radically different skin color?

For more than a century, heredity has been framed through the tidy logic of Mendel’s pea plants: traits pass from parent to offspring by fixed genetic rules. But a new mouse study suggests that ...