chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 252907330 252907331 A C 28 GENIC heterozygous 120476964 1 252907610 252907611 G A 42 GENIC homozygous 108612900 1 252909023 252909024 G A 26 GENIC homozygous 108612901 1 252910600 252910601 A G 51 GENIC homozygous 108612902