chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 115961835 115961836 C T 28 GENIC homozygous 115839170 7 115962266 115962267 T A 20 GENIC homozygous 115839172 7 115962790 115962791 T C 28 GENIC homozygous 115839174