chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 55879411 55879412 A G 31 GENIC homozygous 974289661 19 55880189 55880190 A C 27 GENIC homozygous 974289662 19 55880487 55880488 C T 26 GENIC homozygous 974289663