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一、遗传力的概念 生物的变异是普遍存在的。对于作物的数量性状来说,其变异既受基因型也受环境因素的影响。从前一讲(1-1)式可知
First, the concept of heritability Biological variation is ubiquitous. For quantitative traits of crops, the variation is affected both by genotype and by environmental factors. From the previous talk (1-1) shows