chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 270691720 270691721 T C 41 GENIC heterozygous 61214658 1 270692253 270692254 A G 23 GENIC heterozygous 61214660 1 270694538 270694539 G A 24 GENIC heterozygous 61818718