chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 120067702 120067703 A C 13 GENIC homozygous 119313244 4 120067719 120067720 G C 13 GENIC homozygous 112824439 4 120069617 120069618 A T 13 GENIC homozygous 119280212