chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 183943448 183943449 T A 19 GENIC homozygous 57562761 4 183945955 183945956 C T 24 GENIC homozygous 57986886 4 183949688 183949689 G T 6 GENIC homozygous 57986890