Question

A polygenic trait is controlled by _____.

A.) multiple alleles
B.) two or more genes
C.) one gene
D.) two alleles

Answer 1

(1) multiple alleles

Like starch synthesis in pea and human skin colour

Answer 2

A polygenic trait is controlled by, two or more genes.

Option B

Explanation:

• Polygenic which means, "poly - two or more than two" and genic- in relation to genes.
• A polygenic trait is controlled by two or more genes.
• It is also a type of inheritance where one characteristic trait is controlled by "two or more" than two genes.
• In this condition, the genes might be more in number but, the expression is less.

To learn more about Polygenic trait:

Which definition best describes polygenic traits?

https://brainly.in/question/6239465

Explain polygenic inheritance pattern with the help of a suitable example.

https://brainly.in/question/3269035