Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

Which statement about an individual who is heterozygous for the sickle-cell allele is correct?

  • AThey are not resistant to malaria and their genotype is $Hb^A Hb^S$.
  • BThey are not resistant to malaria and their genotype is $Hb^S Hb^S$.
  • CThey are resistant to malaria and their genotype is $Hb^A Hb^S$.
  • DThey are resistant to malaria and their genotype is $Hb^S Hb^S$.

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