DNA的意思

DNA

基本解释

abbr. 脱氧核糖核酸（deoxyribonucleic acid）；（美国）国防部核子局（Defense Nuclear Agency）

英文词源

DNA (n.): 1944, abbreviation of deoxyribonucleic acid (1931).

实用例句

1. They took samples from his hair for DNA testing.: 他们从他的头发中取样进行DNA测试。

2. DNA fingerprinting has proved the clincher in this investigation.: 在这次调查中，DNA指纹鉴定起了决定性的作用。

3. DNA profiling has aided the struggle against crime.: DNA分析对于打击犯罪有所帮助。

4. They act at least a temporary block to DNA synthesis in micro - organisms.: 它们在微生物中至少对DNA合成起暂时性的阻止作用.

5. Gene mutations are alterations in the DNA code.: 基因突变是指DNA密码的改变.

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