chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 55879411 55879412 A G 22 GENIC homozygous 787664531 19 55880189 55880190 A C 15 GENIC homozygous 787664532 19 55880487 55880488 C T 7 GENIC homozygous 787664533