Help (population diversity)

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Each 3 letter code is a particular population

  • CEU - European - 30 mother-father-child trios from the CEPH collection (Utah residents with ancestry from northern and western Europe), representing one of the populations studied in the International HapMap project. via
  • HCB - Han Chinese - 45 unrelated Han Chinese in Beijing, China, representing one of the populations studied in the International HapMap project via
  • JPT - Japanese Tokyo - 44 unrelated Japanese in Tokyo, Japan, representing one of the populations studied in the International HapMap project via
  • YRI - Yoruba African - 30 Yoruba mother-father-child trios in Ibadan, Nigeria, representing one of the populations studied in the International HapMap project via


? (G;G) (G;T) (T;T)


The first line indicates that

  • 50% of europeans have the (G;G) genotype
  • 35% of europeans have the (G;T) genotype
  • 15% of europeans have the (T;T) genotype

The second line indicates that

  • 80% of chinese have the (G;G) genotype
  • 10% of chinese have the (G;T) genotype
  • 10% of chinese have the (T;T) genotype