chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 181872420 181872421 A - 2 GENIC homozygous 728797307 4 181872427 181872428 A - 1 GENIC homozygous 728797308 4 181872443 181872444 A - 1 GENIC homozygous 728797309