chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 142970254 142970255 A C 24 GENIC homozygous 113178480 4 142970448 142970449 C T 19 GENIC homozygous 113178482 4 142970597 142970598 A C 24 GENIC homozygous 113178484