polyphenism


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polyphenism

(pol-ē-fē'nizm),
Ability of a single genome to produce alternative phenotypes in response to environmental clues.
[poly- + phenotype + -ism]

polyphenism

the presence of several phenotypes in a population that are not the result of genetic differences.
References in periodicals archive ?
Effects of photoperiod, temperature and melatonin on nymphal development, polyphenism, and reproduction in Halyomorpha halys (Heteroptera: Pentatomidae).
This present proposal aims at intersecting all four models of polyphenism to identify the core transcriptional and chromatin machinery required to establish and switch On or Off the Obese state.
Proximate causes of cannibalistic polyphenism in larval tiger salamanders.
Crypsis, conspicuousness, mimicry and polyphenism as antipredator defences of foraging octopuses on Indo-Pacific coral reefs, with a method of quantifying crypsis from video tapes.
In addition some species are genetically colour-polymorphic while others show seasonal polyphenism or phenotypic plasticity, by which individuals with similar genotype can develop different patterns in response to rearing conditions [1].
Individuals of this species at high density are historically known to show aggregation behavior and dispersal flights, attributes that might suggest that it does exhibit to some extent phase polyphenism in relation to population density.
pandava displays an exceptional diversity of dry season forms that are genetically determined but environmentally mediated, a phenomenon called seasonal polyphenism (Kunte & Tiple 2009, Tiple et al.
Ecological correlates of polyphenism and gregarious roosting in the Grass Yellow butterfly Eurema elathea (Pieridae).
Hanlon & Messenger (1996) illustrated six mechanisms of crypsis used by cephalopods: general background resemblance, countershading/concealment of the shadow, disruptive coloration, deceptive resemblance, rarity through 'rapid, neutrally controlled polyphenism, and cryptic behaviour/vigilance.
Evolution of a polyphenism by genetic accommodation.
Photoperiodic control of seasonal polyphenism in Pieris occidentalis Reakirt.
Some specific subjects discussed are phase polyphenism in locusts, oviposition site selection by a mosquito in response to its predators, and a case study of egg size plasticity in a seed-feeding beetle.