音标:['testkrɔs;-krɔ:s] ;
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)
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
词型变化:名词复数形式 : testcrosses

testcross的用法和样例:

例句

用作名词(n.)
  1. 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。
【近义词】

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学英语单词
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