正向突变

1
[遗] forward mutation
...的变化遗传学GENETICS突变体(mutant)：具有突变表型的细胞或个体正向突变：具有突变表型的细胞或个体正向突变(forward mutation)：偏离野生型性状的突变反向突变：偏离野生型性状的突变反向突变(back mutation)：由偏离的性状回复为野生型性状的突变自发突变：...
2
forward mutant
forward mutant 正向突变 deletion mutant 缺失突变体 ; 缺失突变 ; 缺失型突变体 ; 缺失突变株 ..

短语

1
方法用基因正向突变和周期阻断法微核实验作为启动阶段指标；
MethodsGene forward mutation method and micronuclei formation test were used to test the effects on the initiation of carcinogenesis;
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本论文以正向遗传学的方法研究花药及花粉发育过程的基因功能，主要利用图位克隆的方法从拟南芥雄性不育突变体中克隆相应的基因。
In this dissertation we focused on the function of genes associated with anther and pollen development including map-based cloning of Arabidopsis genes from male sterile mutants.
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基因重复的最主要贡献是在进化过程中为基因突变和正向选择提供遗传材料，为基因的进化提供可能性。
The main contribution of gene duplication is providing materials for mutation, transition and selection, and furthermore, a probability for genetic evolution.

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