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突变负荷取决于繁殖成功率和交配系统的差异。

Mutation load depending on variance in reproductive success and mating system.

作者信息

Couvet D, Ronfort J

机构信息

Laboratoire d'Ecologie, ENS, Paris, France.

出版信息

EXS. 1994;68:55-68. doi: 10.1007/978-3-0348-8510-2_6.

DOI:10.1007/978-3-0348-8510-2_6
PMID:8032139
Abstract

Equalization of reproductive success of individuals, although it results in an increase of effective population size, leads also to an increase of the mutation load. The magnitude of this increase depends highly on the mode of fitness interactions between deleterious mutations, and is higher in the case of inbreeding. Recommended practices in conservation genetics must be evaluated in regards to these differing consequences of an increase of effective population size. To keep a balance between retaining genetic variability and minimizing the increase of the mutation load, equalization of reproductive success of a set of individuals rather than of every individual might be more advantageous.

摘要

个体繁殖成功率的均等化,虽然会导致有效种群大小增加,但也会导致突变负荷增加。这种增加的幅度高度依赖于有害突变之间适合度相互作用的模式,并且在近亲繁殖的情况下更高。保护遗传学中的推荐做法必须根据有效种群大小增加的这些不同后果进行评估。为了在保留遗传变异性和最小化突变负荷增加之间保持平衡,使一组个体而非每个个体的繁殖成功率均等化可能更具优势。

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