chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 237803189 237803190 A G 7 GENIC homozygous 638813591 1 237803193 237803194 C T 8 GENIC homozygous 638813592 1 237803459 237803460 G A 6 GENIC homozygous 638813593