chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 55301614 55301615 A G 10 GENIC homozygous 109736577 19 55303137 55303138 A G 9 GENIC homozygous 109736579 19 55303226 55303227 T C 4 GENIC homozygous 109736581