chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 18532729 18532730 G C 19 GENIC homozygous 991717861 12 18532826 18532827 G C 17 GENIC homozygous 991717862 12 18533430 18533431 T G 19 GENIC homozygous 991717863