chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 207501951 207501952 G A 15 GENIC heterozygous 925064508 4 207509508 207509509 A - 22 GENIC heterozygous 925127814 4 207554061 207554062 G C 32 GENIC heterozygous 925064509