backcross
美 [bækk'rɒs] 
英 [bækk'rɒs]
- n.回交；〔遗〕回交杂种；〔遗〕反交
- v.逆代杂交
- 网络回交作用；倒剪；后胸阔
词形变化
复数：backcrosses 现在分词：backcrossing 过去分词：backcrossed
英汉解释
英英解释
例句
Backcross breeding is a useful method to transfer favorable alleles from a donor parent into a recipient parent.
回交育种是把有利基因从供体亲本向受体亲本转移的一种有效方法，标记辅助选择可加速其进程。
Backcross A cross between an individual and an individual of the original parent generation.
杂交产生的子一代个体再与其亲本进行交配的方式。
The utility of the limited backcross method for improvement of quantitative traits was discussed.
对采用不饱和回交方法改良数量性状进行了讨论。
In this study, we used marker-assisted selection for high-oleic, low linolenic acid content rapeseed in three backcross combinations.
本研究利用三个回交组合，针对油菜种子高油酸、低亚麻酸含量进行分子标记辅助选择。
So it was better to take the backcross method than other methods in anti-strip rust breeding.
由此在抗条锈育种上采用回交方法的效果较好。
and there are backcross individuals exist among the putative parent L. subspicata.
而假设亲本穗序橐吾中还存在回交的个体。
The resistant level was declined with increasing of backcross generations.
在回交后代中，抗性水平逐代降低。
Dwarfing-sterile wheat was changed from winterness to springness by continue backcross .
利用连续回交手段将矮败小麦由冬性转育为春性。
Modified Backcross Pyramiding Breeding with Molecular Marker-Assisted Selection and Its Applications in Cotton
分子标记辅助选择的修饰回交聚合育种方法及其在棉花上的应用
Studies on the Hexaploid Interspecific Hybrid and Its Backcross with Cultivars in Strawberry
草莓六倍体种间杂种及其回交研究
Identification and Screening of Favorable Genes from Rice Germplasm in Backcross Introgression Populations
回交导入后代水稻种质有利基因的鉴定与筛选研究
Performance of pest-resistance of the Bt transgenic rice plant in its first backcross progeny
Bt转基因水稻在回交一代的抗虫性表现
Detection of Homogeneity between Imported Grant Parent Layers Using Recessive Backcross and PCR-RFLP Techniques
PCR-RFLP和测交方法对进口祖代蛋鸡异性个体间的遗传同质性检测
Insect - resistance identification of second backcross generation of Bt transgenic maize
转Bt基因玉米回交二代抗虫性鉴定
Approximate Estimation of Minimal Sample Size Required for Marker-Assisted Backcross Breeding
标记辅助回交育种中所需最小样本容量的近似估计
Improving Seedling Cold Tolerance of Japonica Rice by Using the "Hidden Diversity" in Indica Rice Germplasm in a Backcross Breeding Program
利用籼稻资源中的“隐蔽有利基因”提高粳稻苗期耐冷性
Analysis of Isozymes in Male Sterile line and Its Backcross Progenies of Alfalfa
苜蓿雄性不育系及其回交后代同工酶分析
Segregation Analysis of Quantitative Traits in Backcross Inbred Line Population
回交自交系群体数量性状遗传体系的分离分析方法
Backcross Breeding Keys and Its Application on Watermelon
回交育种法要点及其在西瓜上的应用
Preliminary Report on Improvement Result to Popcorn Using Normal Corn Germplasm and Backcross
普通玉米种质及双回交对爆裂玉米改良效果初报
Preliminary Report on Improvement Result to Popcorn Using Normal Corn Germplasm and Backcross
普通玉米种质及双回交对爆裂玉米改良效果初报
Insect-resistant identification of the second backcross generation of Bt transformed gene in maize
转Bt基因玉米回交二代的抗虫性鉴定
Selection of RAPD Marker Linked to Tomato Cold Tolerance Using Higher Progeny Material of Backcross
用高代回交材料筛选与番茄耐冷性相关的RAPD分子标记
The SSR Marker of the Female Sterile Gene in Wheat by Backcross Population Analysis
利用回交群体对小麦雌性不育基因的SSR标记
Chromosome Number and Ploidy of Backcross Progenies from Hybrids of Common Carp and Crucian Carp
鲤鲫杂交回交子代的染色体数目及倍性
The Results of Using Simple Backcross Breeding Method on Resistant to Frogeye Leaf Spot of Soybean
简单回交方法在大豆抗灰斑病育种上应用效果分析
Detection of Genetic System of Quantitative Traits Using Backcross and Selfing Families
植物数量性状遗传体系检测中回交或自交家系重复试验数据的分析方法
Screening mungbean new varieties for resistance to bruchids through backcross breeding
绿豆抗豆象品系及回交亲本抗性鉴定
Analysis of Chilling Resistance of Tomato Cross and Backcross Progeny
番茄杂交及回交后代耐冷性分析
Effect of Brine on Backcross Setting Percentage of Radish Male Sterility Line
提高萝卜雄性不育系回交结实率的探讨
