testcross
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n.
测交（一种使杂种子一代与隐性类型交配以测定杂种子一代遗传型的方法）；
英英释义
testcross[ 'testkrɔs, -krɔ:s ]
n.a cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring
同义词：test-cross
双语例句
用作名词(n.)
From the testcross performance data, selections, based on an index, were made for intermating of each of the four groups.
根据测交种数据，利用指数方法进行选择，方法是对每个杂种优势群进行相互交配。
权威例句
Test CrossTest Cross
การปรับปรุงพันธุ์ข้าวโพดไร่ลูกผสมสามทา...
RFLP mapping in maize: quantitative trait loci affecting testcross performance of elite European flint lines
Analysis of a triple testcross design with recombinant inbred lines reveals a significant role of epistasis in heterosis for biomass...
Correlations and QTL Correspondence between Line Per Se and Testcross Performance for Agronomic Traits in Four Populations of Europe...
Classification of North Dakota maize inbred lines into heterotic groups based on molecular and testcross data
A genetic linkage map for watermelon derived from a testcross population: ( Citrullus lanatus var. citroides x C. lanatus var. lanat...
Identification of quantitative trait loci across recombinant inbred lines and testcross populations for traits of agronomic importan...
Genetic Basis of Heterosis for Growth-Related Traits in Arabidopsis Investigated by Testcross Progenies of Near-Isogenic Lines Revea...
Genetic mapping of QTLs controlling vegetative propagation in Eucalyptus grandis and E. urophylla using a pseudo-testcross strateg...
Linkage mapping in apomictic and sexual Kentucky bluegrass ( Poa pratensis L.) genotypes using a two way pseudo-testcross strategy ...
Grattapaglia D, Sederoff R. Genetic-linkage maps of Eucalyptus-Grandis and Eucalyptus -Urophylla using a pseudo-testcross-mapping st...
1. I took the kids for a picnic in the park after school.
放学后我带孩子们去公园野餐。
来自柯林斯例句
2. They were tidying up the remains of their picnic.
他们正在收拾野餐后剩下的东西。
来自柯林斯例句
3. We punted up towards Grantchester and had a picnic in a meadow.
我们乘坐平底长船溯河而上到格兰切斯特，在草地上举行野餐。
来自柯林斯例句
4. Primrose was given an apple, left over from our picnic lunch.
我们中午野餐剩下的一个苹果给了普丽姆罗丝。
来自柯林斯例句
5. Emigrating is no picnic.
移民不是件轻松的事。
来自柯林斯例句
[ picnic 造句 ]
testcross
