chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 68170378 68170379 G T 14 GENIC homozygous 113593934 4 68170455 68170456 G C 16 GENIC homozygous 113115216 4 68170956 68170957 G C 17 GENIC homozygous 113346973