chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 122856951 122856952 A G 23 GENIC homozygous 108210540 1 122858736 122858737 A G 16 GENIC homozygous 108210541 1 122859240 122859241 G T 30 GENIC homozygous 108210542