Question

Give one example of polygenic Inheritance.

Answer 1

Polygenic inheritance:

1. Polygenic inheritance is defined as quantitative inheritance, where all the multiple independent genes have an additive or similar effect on a single quantitative trait.
2. Polygene refers to the gene that shows a slight effect on a phenotype along with the other genes.
3. Inheritance of skin pigmentation is an example of polygenic inheritance.
4. Skin color in humans is controlled by at least three genes.
5. The genes determine the amount of pigment melanin produced.