chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 226256116 226256117 A G 21 GENIC homozygous 598216141 1 226256398 226256399 T C 30 GENIC homozygous 598216142 1 226257366 226257367 G A 22 GENIC possibly homozygous 598216143