chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 55879411 55879412 A G 19 GENIC homozygous 881896960 19 55880189 55880190 A C 19 GENIC heterozygous 881896961 19 55880487 55880488 C T 4 GENIC homozygous 881896962