chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 37904789 37904790 T G 15 GENIC homozygous 115321958 12 37905478 37905479 T C 27 GENIC homozygous 115321966 12 37905729 37905730 T C 26 GENIC homozygous 115321968