chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 20457623 20457624 C T 16 GENIC homozygous 119274082 4 20457624 20457625 T C 16 GENIC homozygous 112999102 4 20465420 20465421 C A 22 GENIC heterozygous 119497430 4 20467417 20467418 C A 12 GENIC homozygous 112540205