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The illustration above represents a cross betwe... - WAEC Biology 2016 Question

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

Which of the genotypes are carriers of colour blindness?
A
1 and 11 only
B
1 and 111 only
C
11 and 111 only
D
1, 11 and 111 only
correct option: a
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