32.Mendelian disorders are determined by A. Chromosomal abberrations B. Mutation in single gene C. Age of an individual D. Gain or loss of chromosomes
Option B Mendelian disorders, for example, occur when specific mutations in single genes — called germline mutations — are inherited from either of one's two parents. Well-known examples of Mendelian diseases include cystic fibrosis, sickle cell disease, and Duchenne muscular dystrophy.
