chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 55276844 55276845 A G 15 GENIC heterozygous 46608170 18 55280878 55280879 C T 10 GENIC heterozygous 46608201 18 55280902 55280903 C T 10 GENIC heterozygous 46608203