Your Kell blood type is determined by the KEL gene on chromosome 7. Much like the Rh antigens, you can be either positive or negative for the antigens. There are 38 Kell antigens, but the two most ...

DNA is organized in segments on chromosomes called genes. Humans typically have 46 chromosomes arranged in 23 pairs. Genetics plays a key role in answering each of these questions. For humans ...

Large and rare duplications and deletions in a chromosome region ... particularly involving genes associated with cardiac development, were identified in 7.4% of early-onset bicuspid aortic ...