SELECTION IN REFERENCE TO BIOLOGICAL GROUPS .I. INDIVIDUAL AND GROUP SELECTION APPLIED TO POPULATIONS OF UNORDERED GROUPS
SELECTION IN REFERENCE TO BIOLOGICAL GROUPS .I. INDIVIDUAL AND GROUP SELECTION APPLIED TO POPULATIONS OF UNORDERED GROUPS
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DOI：
10.1071/bi9670127
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发表时间：
1967-01-01
期刊：
影响因子：
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通讯作者：
GRIFFING, B
中科院分区：
文献类型：
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作者：
GRIFFING, B
提出了一种旨在适应基因型之间相互作用的选择理论。这涉及定义其中可能发生相互作用的无序基因型群体，并描述作为基础群体的组合产物而生成的群体群体。开发的基因模型不仅包括它们所代表的基因型的直接贡献，还包括来自该组中其他基因型的相关效应。通过使用群体理论程序，研究个体和群体选择的后果。研究发现，个体选择是不平衡的，因为正选择会导致总体平均值的负响应。另一方面，事实证明，群体选择是平衡的，因此总是会带来理想的结果。因此，积极的群体选择总是会产生非消极的反应，而持续的选择会导致群体最大潜力的实现。
A selection theory designed to accommodate interactions among genotypes is presented. This involves defining unordered groups of genotypes among which interactions may occur, and describing populations of groups generated as combinatorial products of base populations. Gene models are developed which consist not only of direct contributions of the genotypes they represent but also of associate effects from other genotypes in the group. With the use of group theory procedures, consequences of individual and group selection are investigated. It is found that individual selection is unbalanced in the sense that positive selection can result in a negative response of the population mean. On the other hand, it is demonstrated that group selection is balanced and as such invariably leads to desirable results. Thus positive group selectionalways produces non-negative responses, and continued selection results in a realization of the maximum potential of the population.