chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 15353139 15353140 C CT 6 GENIC heterozygous 45445205 20 15353139 15353140 C CTT 6 GENIC heterozygous 45445207 20 15354853 15354854 T - 12 GENIC heterozygous 45856249