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一.前 言 环境对生物的生长发育有种种不同的影响,环境条件的变化经常可以改变生物的表现型(Phenotype)。经常可以看到,同一生物卽同一基因型(Genotype)在不同环境条件下往往有不同的变异;不同的生物卽不同的某因型在同一环境条件下往往有不同的反应。但是任何生物对环境条件的反应能力是有一定的。细胞遗传学认为这反应能力是遗传的,是受基因制约的。一个某因型在不同环境条件下所表现的许多不同的反
I. Preface The environment has various effects on the growth and development of the organism. Changes in environmental conditions often alter the phenotype of the organism. It can often be seen that the same genotype of the same organism often has different variations under different environmental conditions; different genotypes of different genotypes often have different responses under the same environmental conditions. But any biological ability to respond to environmental conditions is certain. Cytogenetics consider this responsiveness to be genetic and genetically controlled. A certain type of under different environmental conditions in the performance of many different anti