Directional selection reduces developmental canalization against genetic and environmental perturbations in Drosophila wings
نویسندگان
چکیده
منابع مشابه
The differential genetic and environmental canalization of fitness components in Drosophila melanogaster
Canalization describes the process by which phenotypic variation is reduced by developmental mechanisms. A trait can be canalized against environmental or genetic perturbations. Stabilizing selelction should favor improved canalization, and the degree of a trait’s canalization should be positively correlated with its impact on fitness. Here we report, for Drosophila melanogaster, measurements o...
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Canalization is an umbrella term a leading C. H. Waddington introduced in 1960’s. The term describes the ability of a population to buffer disturbances in phenotypic development. There are two major types of canalization based on the sources of disturbances: genetic and environmental. Genetic canalization describes the ability to express the same phenotype from different genotypes, while enviro...
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The phenotypic effects of genetic and environmental manipulations have been rarely investigated simultaneously. In addition to phenotypic plasticity, their effect on the amount and directions of genetic and phenotypic variation is of particular evolutionary importance because these constitute the material for natural selection. Here, we used heterozygous insertional mutations of 16 genes involv...
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The function of the nervous system depends on the integrity of synapses and the patterning of electrical activity in brain circuits. The rapid advances in genome sequencing reveal a large number of mutations disrupting synaptic proteins, which potentially result in diseases known as synaptopathies. However, it is also evident that every normal individual carries hundreds of potentially damaging...
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ژورنال
عنوان ژورنال: Evolution
سال: 2018
ISSN: 0014-3820
DOI: 10.1111/evo.13550