chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 81238923 81238924 A G 70 GENIC homozygous 112748293 4 81239908 81239909 T C 70 GENIC homozygous 112748295 4 81240997 81240998 C A 66 GENIC heterozygous 113036427 4 81241008 81241009 T C 52 GENIC homozygous 113036429