Having one variant (heterozygous) is less likely to contribute to health issues. Some experts believe that having two mutations (homozygous) may lead to more serious problems. There are two ...

Rh disease of the newborn arises from incompatibility ... Or you might be what's called heterozygous, meaning you carry one negative and one positive gene. In that case, your baby has a 50/50 ...

the genetic cause of these diseases remains uncharacterized. In an article published in the journal , scientists identified in two patients with pulmonary fibrosis a rare heterozygous variation in ...

Most people inherit only one mutated copy from a parent, which is called heterozygous FH (HeFH ... Left untreated, heart ...