chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 219385465 219385466 A G 68 GENIC homozygous 108540639 1 219385747 219385748 T C 84 GENIC homozygous 108540641 1 219386715 219386716 G A 68 GENIC homozygous 109195518