title: The deficiency of 21-hydroxylase as a paradigm of segregation analysis.
mesh_terms: D000312:Adrenal Hyperplasia, Congenital / Q000235:genetics; D005821:Genetic Techniques; D006801:Humans; D011336:Probability; D013250:Steroid Hydroxylases / Q000172:deficiency*
chemical_list: D013250:Steroid Hydroxylases