Answer:
A) Finding the genotype ratio for a cross.
Explanation:
It was named after a geneticist called Reginald Punnet was discovered its use.
A punnet square is a form of drawing with square boxes can help to determine the how possible it is for a child to have particular characteristics, traits or disorders from their parents.
When the genotypes of parents are given , a punnet square can help to determine the various possibilities of different types of genotypes that a children can have from their parents.
Punnet squares are very essential tools that can be used by plant geneticist to create unique plants or crops with desirables qualities during plant breeding.
