chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 257156974 257156975 C A 6 GENIC homozygous 879035473 1 257229459 257229460 T G 20 GENIC homozygous 879035474 1 257281750 257281751 C T 8 GENIC heterozygous 879035475 1 257409354 257409355 A C 9 GENIC heterozygous 879035476