chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 219514198 219514199 G C 12 GENIC heterozygous 120892615 1 219515492 219515493 T C 19 GENIC homozygous 108540774 1 219515928 219515929 C T 8 GENIC homozygous 108540776