Kruszka Kruszka P P Addissie Addissie YA YA McGinn McGinn DE DE Porras Porras AR AR Biggs Biggs E E Share Share M M et al et al 22q11.2 deletion syndrome in diverse populations 22q11.2 deletion syndrome in diverse populations Am J Med Genet Am J Med Genet A173 A173 4 4 879 879 888 888. The gene discussed is AR; the disease is 22q11.2 deletion syndrome.