chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 198745551 198745552 A G 21 GENIC heterozygous 981576325 2 198745618 198745619 C T 41 GENIC heterozygous 981576326 2 198745624 198745625 C T 42 GENIC heterozygous 981576327