三核苷酸重复 Trinucleotide Repeats ; triplet repeats ; TNR
三核苷酸重复扩增 Trinucleotide Repeat Expansion
核苷三磷酸 [生化] nucleoside triphosphate ; NTPs ; NTP Nucleotide triphosphate ; Deoxyribonucleoside triphosphate
三核苷酸扩展 trinucleotide expansion
导致三核苷酸重复 Trinucleotide repeat ; TNR
三核苷酸重复性疾病 Trinucleotide repeat disease ; TRD
CAG三核苷酸重复 CAG repeats
三核苷酸重复疾病 triplet repeat disease ; Trinucleotide repeat diseases
三核苷酸重复扩展 trinucleotide repeatexpansion ; TRE
二核苷酸重复和三核苷酸重复是主要的类型，二者出现的频率基本相近，占总ssr的89.05%。
Dinucleotide and trinucleotide repeats with similar frequency are the main types, accounting for 89.05% of all the SSRs.
最后，在患者基因组候选区域中，检测到了ATXN2基因5’端编码区域的三核苷酸CAG重复的扩展。
Thirdly, the expansion of CAG in 5' coding region of ATXN2 gene is detected in candidate gene region.
每个密码子是特异的三核苷酸序列（双链DNA状况下为三个三核苷酸对），每个密码子编码蛋白质的一个氨基酸单位。
Each codon is a specific sequence of three nucleotides (three nucleotide pairs in double-stranded DNA), and each codon codes for a single amino acid unit in a protein.
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