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This is part of the “bitter taste” haplotype with Ala262Val and Isl296Val
Schuster et al note: Further analysis of 12 Bushmen made possible by
inclusion of the Ala262Val and Isl296Val variants on the Illumina 1M SNP array identified all of
them as PAV for the bitter taste sense contributing alleles. The apparent fixation of these alleles
is suggestive of strong selection for acute taste discrimination in a hunter-gatherer, perhaps to
avoid toxic plants, but that selection has been relaxed in other populations.