Finding variants in the human genome

The results of the third phase of the HapMap study, which looks at genetic variation in multiple populations, have just been published. Researchers looked at 1184 samples from 11 populations to identify variants in the human genome. The team looked at the distribution and frequency of variants across different populations and suggest that variants in some genes, including genes involved in the immune system, wound healing and sense of smell, are under selection in different populations.

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