Difference between Mendelian and Polygenic Inheritance

Mendelian Inheritance Polygenic Inheritance
1. F1 hybrid resembles one of the parents having dominant character 1. F1 hybrid exhibits character intermediate between the two parents
2. F2 individuals distinctly fall into two categories and exhibit distinct phenotypes resembling either of the parents 2. F2 progeny exhibits a greater variability and a graded series of phenotype from one parent to other
3. Individuals with dominant phenotype are more numerous (2/3rd) and those with recessive phenotype are less in number 3. Individuals with average or intermediate phenotype are more numerous than either of the parental characters