chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 31282722 31282723 C T 25 GENIC homozygous 609867025 15 31283263 31283264 T TCA 18 GENIC heterozygous 734427240 15 31283270 31283272 TC -- 18 GENIC heterozygous 734427241