chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 18532729 18532730 G C 15 GENIC homozygous 939019203 12 18532826 18532827 G C 17 GENIC homozygous 939019204 12 18533430 18533431 T G 18 GENIC homozygous 939019205