A regulatory mutation has been observed randomly throughout a population of one million. Families with members carrying this mutation are not related genetically. This mutation is probably( )
Genetics. Sickle cell disease is caused by mutations in the beta-globin (HBB) gene that lead to the production of an abnormal version of a subunit of hemoglobin — the protein responsible for carrying oxygen in red blood cells. This mutated version of the protein is known as hemoglobin S.
