chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 2273744 2273745 T G 10 GENIC homozygous 115234257 12 2275174 2275175 G T 2 GENIC homozygous 115490631 12 2275175 2275176 T G 2 GENIC homozygous 115490634 12 2276011 2276012 C T 14 GENIC homozygous 115234259