Q.

Consider the following statements:
1. Color blindness is more common in men
2. Color blindness is an X-linked recessive trait
3. If both the X chromosomes are defective, a woman may have color blindness
Which among the above statements are correct?

A. 1 only
B. 1 & 2
C. 2 & 3
D. all are correct
Answer» D. all are correct
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