Shuffling the genetic deck

Shuffling the genetic deck

More recombination ‘hot spots’ detected in descendants of West Africans than of Europeans

By Tina Hesman Saey, 16:56 PM July 20, 2011

Two new genetic maps of African-Americans reveal that people of West African descent have more hot spots where chromosomes mix and match genes than people of European heritage do.

Until recently scientists knew next to nothing about the process humans use to mix and match parents’ genes to create a unique combination in a child, says Chris Spencer, a population geneticist at the Wellcome Trust Centre for Human Genetics at Oxford University in England. This process, known as recombination, a...

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