chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 185631815 185631816 T C 7 GENIC homozygous 74630101 1 185632464 185632465 T G 9 GENIC homozygous 74630103 1 185633136 185633137 C T 15 GENIC homozygous 74630105