chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 197766663 197766664 A G 27 GENIC homozygous 108981846 1 197769578 197769579 A G 12 GENIC homozygous 108495875 1 197770289 197770290 A G 9 GENIC homozygous 108981848