Multifactorial inheritance is most likely to play a role in -
Cleft lip
Marfan's syndrome
Down's syndrome
Erythroblastosis fetalis
Ans. is 'a' i.e., Cleft lip Disorders with multifactorial inheritanceo The multifactorial disorders result from the combined actions of environmental influences and two or more mutant genes having additive effects,o Multifactorial disorders are -1. Cleft lip/cleft palate3. Coronary heart disease5. Diabetes melitus7. Pyloric stenosis2. Congenital heart diseases4. Hypertension6. Gout
Complex Multigenic Disorders