Question

What are the possible genotypes of the parents of a child who is colorblind? Create a Punnett square to find out. Explain what the different possibilities are.

Answer 1

Answer-
Red-green color blindness is a recessive trait and blue-yellow color blindness is a dominant trait.

Depending on which color blindness the genotypes would be,

red-green CB-
cc and cc
Or
Cc and cc
If it’s blue-yellow color blindness it would be
CC and CC
Or
CC and Cc