chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 263864156 263864157 C T 9 GENIC homozygous 110439506 2 263864449 263864450 C T 6 GENIC homozygous 110439508 2 263865129 263865130 G C 33 GENIC homozygous 110439510 2 263865799 263865800 G A 22 GENIC homozygous 110439512