In $F_{2}$-generation,quantitative inheritance $1: 4: 6: 4: 1$ is obtained instead of

Human skin colour is an example of:
$I.$ Multiple gene inheritance
$II.$ Three separate genes controlling this trait
$III.$ Single gene controlling this trait
$IV.$ Two genes controlling this trait
$V.$ Environment plays a significant role in this trait
Choose the correct option.

Height is an example of:

It is easier to study polygenic inheritance of characters in plants than in animals because in plants:

Polygenic inheritance is observed in which of the following?

Polygenic inheritance in humans is represented by ....