chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7871419 7871420 T G 58 GENIC heterozygous 927506922 20 7885592 7885593 T TG 23 GENIC heterozygous 927586481 20 7885594 7885595 T A 21 GENIC heterozygous 927506923