Which of the genotypes are carriers of colour blindness?

The illustration above represents a cross between a colour blind male and normal female. Study it carefully and answer the questions.

A. 1 and 11 only
B. 1 and 111 only
C. 11 and 111 only
D. 1, 11 and 111 only

Correct Answer: Option A

A. 1 and 11 only