chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 31282722 31282723 C T 21 GENIC possibly homozygous 48579549 15 31283270 31283272 TC -- 17 GENIC heterozygous 49045886 15 31283263 31283264 T TCA 17 GENIC heterozygous 49045884