... mutagenic compounds 致突变化合物 mutagenic factors 变异因子 mutagenic action 致突变作用 ...
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运用主成分分析选取土壤肥力变异因子。
Principal component analysis was used to derive soil fertility variation factors.
研究人员发现了一些人已经发生了极少量的基因变异，这种变异减少了细胞对某种生长激素（即，胰岛素样生长因子1（IGF1)）的使用。
Researchers have discovered that some people have a rare genetic mutation that decreases their cells' use of a particular growth hormone: insulin-like growth factor 1 (IGF1).
该计划包括了世界上11种人的基因标本，这些标本的构成因子是对基因片段中可能发生变异的特定点进行研究所得结论。
The Hap Map contains samples from 11 populations around the world and consists of readings of the DNA at specific sites along the genome where variations are common.
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