Question

What are polygenes ?Explain by taking the example of red and white wheat kernels?

Answer 1

Answer:

" Polygenes"

Characters are determined by two or more gene pairs, and they have additive or cumulative effect. Such genes are called cumulative genes or polygenes or multiple factors.

Example :

"Kernel colour"

i. A variety of wheat with red kernel was crossed with wheat having white kernel.

ii. The F1 generation plants had red kernel, but of a shade intermediate between the red and white of the parental generation.

Answer 2

Refer the two examples of polygenic inheritance.