chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 170220699 170220700 C T 18 GENIC homozygous 108375319 1 170228602 170228603 A G 4 GENIC homozygous 108375321 1 170237649 170237650 G A 10 GENIC homozygous 108375333 1 170238634 170238635 T C 23 GENIC homozygous 108375335