chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 21603309 21603310 A C 20 GENIC heterozygous 60638606 1 21603530 21603531 A G 21 GENIC heterozygous 60638607 1 21603849 21603850 T A 16 GENIC heterozygous 60638610 1 21603915 21603916 A C 17 GENIC heterozygous 60638611