Most powerful gene variant for height known to date

Newly discovered gene variant in Peruvian populations is powerfully linked with height. Five percent of Peruvians carry the variant, which originates exclusively from Native American populations. The variant occurs on a gene that, when mutated, causes Marfan syndrome, a condition marked by connective tissue abnormalities, including serious cardiovascular problems. The newly discovered variant is not associated with disease and may confer adaptive evolutionary advantage to populations that carry it.

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