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作物大多数农艺性状都是数量性状。对这些性状如何处理一直是困难的事。迄今对数量性状的研究和认识只是在数理统计水平上,在此水平上建立的数量性状遗传理论的基础是微效多基因假说,进行统计处理时把数量性状看成是由许多微效基因控制的。其实未必如此。
Most agronomic traits in crops are quantitative traits. How to deal with these traits has always been difficult. So far, the research and understanding of quantitative traits is only on the level of mathematical statistics, and the quantitative trait genetic theory established at this level is based on the multivariate multi-gene hypothesis. For statistical processing, the quantitative traits are regarded as controlled by many minor genes of. In fact, not necessarily so.