The Mutation That Causes Sickle Cell Disease

question 21

Multiple Choice

The mutation that causes sickle cell disease

• A)occurs in the same gene that,when mutant in a different way,causes beta thalassemiA.
• B)deletes two contiguous DNA bases.
• C)results in a single DNA base change that does not alter the encoded amino acid.
• D)changes a glutamic acid to a valine in the alpha globin gene.

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