chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4608577 4608578 T G 26 GENIC homozygous 109074874 20 4608594 4608595 A C 31 GENIC homozygous 109074876 20 4608606 4608607 G T 33 GENIC homozygous 109074878 20 4608635 4608636 T C 41 GENIC homozygous 109074880 20 4608756 4608757 G A 35 GENIC homozygous 109074882