chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 264616440 264616441 G A 76 GENIC homozygous 110441863 2 264616446 264616447 C T 73 GENIC homozygous 110441864 2 264616950 264616951 A C 68 GENIC homozygous 110441865