chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 104556163 104556164 T G 20 GENIC homozygous 109959780 2 104556425 104556426 C T 19 GENIC homozygous 109959782 2 104556514 104556515 C G 20 GENIC homozygous 109959784 2 104556839 104556840 A G 20 GENIC homozygous 109959786