Question

A cross gives a 3:1 phenotype ratio. What are the genotypes of the parents?​

Answer 1

$\large{\frak{\red{Answer}}}$

Aa X Aa

$\pmb{\mathbb{\text{\purple{Explanation:}}}}$

To achieve a 3:1 ratio, both parents must have one dominant and one recessive gene.

$\pmb{\mathbb{\fbox{\red{Hope it's help you}}}}$