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 ...

Retinitis pigmentosa (RP) is an eye condition that can be genetic. In this way, people usually need to inherit two copies of a genetic variation that causes RP, one coming from each parent. RP may ...

Rebecca Rosenberg has 10+ years of experience as a writer and content strategist. She has written dozens of articles on retirement, financial planning, business, tech, and more. Rebecca has a master’s ...