chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 181872420 181872421 A - 11 GENIC homozygous 693877570 4 181872427 181872428 A - 9 GENIC homozygous 693877571 4 181872443 181872444 A - 11 GENIC homozygous 693877572