Summary: Part 4

Mutations in different genes can provide the same selective advantage.

  • Mutations in genes that affect the function of red blood cells can protect people from malaria.
  • The mutations produced distinct traits in people, but each trait became common as a result of the same selection.
Three world maps, one labeled G-6-P-D Deficiency Prevalence, one labeled Historical Range of Malaria, and one labeled Sickle Cell Allele Frequency.