chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 174522297 174522298 C T 46 GENIC homozygous 60950729 1 174522356 174522357 C - 34 GENIC homozygous 60950730 1 174522409 174522410 A C 30 GENIC homozygous 60950731