What Is the Mutational Basis of an "Elongation Hemoglobin

question 5

Multiple Choice

What is the mutational basis of an "elongation hemoglobin?"

• A) A gene deletion of the entire alpha₂ globin gene
• B) A reciprocal chromosomal translocation between chromosomes 16 and 14 of the alpha and beta globin chain genes
• C) Many fixed mutations occurring along the genes encoding for alpha₂ globin
• D) A single base pair mutation or frameshift at either the 3' end of exon 3 or the 5' end of exon 1 of the alpha₂ or beta globin chain

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