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1 markPaper 1 · Multiple choiceCell Division and Variation

CAPE Biology Unit 1 · 2014 · Paper 1 · Question Q30

In sickle-cell anaemia, the sickling of red blood cells is a result of a mutation of

  1. (A)a single base pair in the gene that encodes for the alpha-globin polypeptide
  2. (B)a single base pair in the gene that encodes for the beta-globin polypeptide
  3. (C)two base pairs in the gene that encodes for the alpha-globin polypeptide
  4. (D)two base pairs in the gene that encodes for the beta-globin polypeptide

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