chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 144873080 144873081 G A 12 GENIC homozygous 126541787 7 144875004 144875005 C T 15 GENIC homozygous 115945979 7 144877573 144877574 A G 19 GENIC homozygous 115945981 7 144879345 144879346 A G 20 GENIC homozygous 115945982