chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 175135218 175135219 G C 5 GENIC homozygous 61311017 1 175135221 175135222 T TA 3 GENIC homozygous 61311018 1 175135320 175135321 G C 6 GENIC homozygous 61311019 1 175135511 175135512 C T 31 GENIC possibly homozygous 61311020