chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 69961440 69961441 A C 34 GENIC heterozygous 108130128 1 69963953 69963954 G C 23 GENIC homozygous 108130129 1 69963967 69963968 T C 34 GENIC homozygous 108130130