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testcross是什么意思

testcross

美['testkrɒs]  英['testkrɒs]
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)
  过去式:testcrossed  过去分词:testcrossed  现在分词:testcrossing  第三人称单数:testcrosses
  近义词:test-cross,

英英释义

Noun
  1. 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

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。
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