Hemophilia is a bleeding disorder that can affect the blood’s ability to clot properly. In most cases, people inherit the gene variations for hemophilia in an X-linked recessive inheritance pattern.

Multifactorial diseases, such as coronary artery disease, can be as complex as their name suggests. How much can we hope to understand about diseases with such variation in inheritance? Aa Aa Aa ...

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 ...