What is purpose of a Punnett square

The Punnett square is a square diagram that is used to predict the genotypes

Explanation:

With this grid and knowledge of both parents' genotypes, scientists can discover the potential gene combinations for the offspring and even the chances of exhibiting certain inherited traits.

A punnet square can be boring or sometimes confusing depending on how big it is. We use a Punnet square to determine the possibility of certain genotypes. For example: a mom has blue eyes and the dad has brown eyes. We can predict the eye color by using a punnet square.