chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 255645690 255645691 C T 6 GENIC homozygous 189801179 2 255646370 255646371 G C 21 GENIC homozygous 189801180 2 255647040 255647041 G A 20 GENIC homozygous 189086732