chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 7450147 7450148 G A 32 GENIC homozygous 960645883 4 7450490 7450491 T G 18 GENIC homozygous 960645884 4 7451468 7451469 A C 21 GENIC homozygous 960645885