Hidden Reaction Norms, Cryptic Genetic Variation, and Evolvability

被引：193

作者：

Schlichting, Carl D. ^{[1
]}

机构：

[1] Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA

来源：

YEAR IN EVOLUTIONARY BIOLOGY 2008 | 2008年 / 1133卷

关键词：

canalization; cryptic genetic variation; evolvability; genetic assimilation; neutral network; novel environments; phenotypic evolution; phenotypic plasticity; robustness;

D O I：

10.1196/annals.1438.010

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

There is reason to suspect that hidden reaction norms (variation that is phenotypically expressed only after changes in internal or external environmental conditions) may store an evolutionarily significant pool of cryptic genetic variation upon which selection may act. I review mechanisms that may hide variation and the processes that can release this variation. I discuss the potential significance of cryptic genetic variation and elaborate on an example where the release of such variation initiated the evolution of the genetic architecture of multicellular organisms.

引用

页码：187 / 203

页数：17

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