chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 187506606 187506607 G - 2 GENIC homozygous 57027284 4 187506613 187506614 C - 2 GENIC homozygous 57027285 4 187506631 187506632 C - 3 GENIC homozygous 57027286 4 187506648 187506649 C - 5 GENIC heterozygous 57027287