chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 24474520 24474521 C T 18 GENIC homozygous 608662968 12 24479716 24479717 A G 18 GENIC homozygous 608662969 12 24484406 24484407 C T 20 GENIC homozygous 608662970