"Different ancestry" refers to having a different set of ancestors or family history than someone else. It means that the two individuals or groups come from different ethnic or cultural backgrounds.
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«An important next step is trying to understand how important these genes are in people
of different ancestries,» says Perlis, who adds that new treatments are still a long way off.
«A particularly striking finding is
the different ancestry observed on the X-chromosome, which is inherited mainly from females» says lead author Pontus Skoglund of Harvard Medical School and Stockholm University.
By including volunteers of different genetic ancestries, the researchers also found that genetic variation that alters immune function is highly shared across human populations of
different ancestry.