chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 50526172 50526173 C CAT 12 GENIC homozygous 52625945 8 50526178 50526179 T C 12 GENIC homozygous 52625947 8 50526553 50526554 T TTG 22 GENIC homozygous 52625949