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Question

Which of the following is a dominant trait?

A
Colour blindness
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B
Albinism
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C
Haemophilia
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D
Rh factor
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Solution

The correct option is D Rh factor
Colour blindness and haemophilia are X-linked recessive disorders while albinism is an autosomal recessive disorder. Rh factor is a dominant character since one copy of gene is enough to express the trait. Correct answer is D.

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