The sixth amino acid in beta-hemoglobin polypeptide is Glutamic Acid (Glu). The codons for Glu are GAA
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Question:
The sixth amino acid in beta-hemoglobin polypeptide is Glutamic Acid (Glu). The codons for Glu are GAA or GAG. Individuals who have sickle cell anemia have a Valine (Val) at this position. Two of the codons for Valine are GUA and GUG. At the DNA level what kind of mutation is this?
O Frameshift O Missense O Silent O Transversion O Neutral O Transition O Nonsense
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