chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 189923536 189923537 C T 19 GENIC homozygous 120446740 2 189925493 189925494 T C 26 GENIC homozygous 120446741 2 189925980 189925981 C T 29 GENIC homozygous 120446742 2 189926794 189926795 A G 29 GENIC homozygous 110805159