chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 27878132 27878134 TT -- 14 GENIC heterozygous 49243943 15 27878133 27878134 T - 14 GENIC heterozygous 49186267 15 27880405 27880409 CTAT ---- 21 GENIC homozygous 49146569