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What Are Autosomal Recessive Disorders?

With respect ...

Question

With respect to the type of haemoglobin produced, the gene for the sickle cell trait in human beings is:

A

dominant in both sexes

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B

recessive in both sexes

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C

neither dominant nor recessive

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D

dominant in males only

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Solution

The correct option is B recessive in both sexes
In this disease RBCs become sickle-shaped because of a defective haemoglobin coded for by the recessive gene.

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What Are Autosomal Recessive Disorders?

Standard XII Biology

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