Question

What is an example of polygenic inheritance?

Answer 1

Polygenic inheritance:

1. The inheritance in which a single trait is inherited by two or more genes is called polygenic inheritance.
2. Polygenic inheritance is quantitative in which environmental factors determine a phenotype.
3. Polygenic inheritance does not follow Mendel's laws of inheritance.

Example :

Human height:

1. It is also called a multifactorial trait in which a trait ( height ) is influenced by multiple genes and also affected by the environmental factors such as nutrition.
2. Human height is an example of continuous variation in which people display a wide range of heights.