chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 206802809 206802810 A G 33 GENIC homozygous 74683876 1 206803516 206803517 A G 17 GENIC homozygous 74683880 1 206805231 206805232 C T 43 GENIC homozygous 74683882