chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 154882924 154882925 C T 25 GENIC homozygous 147646324 1 154883816 154883817 A T 27 GENIC homozygous 147646325 1 154883911 154883912 C T 23 GENIC homozygous 147646326