Question

(a) How are Mendelian inheritance, polygenic inheritance arid pleiotropy different from each other ?
(b) Explain polygenic inheritance pattern with the help of a suitable example.

Answer 1

Mendelian Inheritance	Polygenic Inheritance	Pleiotropy
One gene/factor controls one trait/character or phenotype.	Two of more genes influence the expression of one trait/character or phenotype.	One gene controls expression of more than one traits/characters or phenotypes.