chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 181872420 181872421 A - 3 GENIC homozygous 739321873 4 181872427 181872428 A - 3 GENIC homozygous 739321874 4 181872443 181872444 A - 3 GENIC homozygous 739321875