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Omar of normal vision marries Elisabeth of normal vision. They have a colour-blind son.
a. What are Omar’s and Elisabeth’s genotype?
b. What is the ration of normal vision to colour blindness among the offspring? Show your work.


Sagot :

Answer:

a. (X+XC) (X+Y) If mother is the carrier for colorblindness, and (X+X) (X+YC) If the father is the carrier. (Change C to be smaller and put it above the X or Y)

b. 1:2 ratio and 50%

Explanation:

on the pic.

View image JOHNELLAFLORIANNLBES