Question
Biology Question on Principles of Inheritance and Variation
Which one of the following is an example of polygenic inheritance?
A
Flower colour in Mirabilis jalapa
B
Production of male honey bee
C
Pod shape in garden pea
D
Skin colour in humans
Answer
Skin colour in humans
Explanation
Solution
Skin color in humans is an example of polygenic inheritance. Skin color is determined by multiple genes, each with several alleles, and it exhibits a wide range of continuous variation in the human population due to the additive effects of these multiple genes. Therefore, it is considered a polygenic trait.
So, the correct option is (D): Skin colour in humans