First slide

Polygenic Inheritance

Question

Many traits which are not so distinct in their occurrence and are spread across a gradient is due to

Easy

A

dominance
B

pleiotropy
C

qualitative inheritance
D

polygenic inheritance

Solution

A character influenced by more than two types of genes shows gradation in the phenotypes and also influenced by environment and other external features. Such type of inheritance is called Polygenic inheritance. Ex: Skin color, eye color, height in human beings.

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