chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 177892022 177892023 C T 19 GENIC homozygous 60969867 1 177892079 177892080 T C 22 GENIC possibly homozygous 60969869 1 177892365 177892366 C A 12 GENIC homozygous 60969871