{"refrec":{"BRefID":59775,"RR":"<b>Adams, C.E.; Huntingford, F.</b> (2004). Incipient speciation driven by phenotypic plasticity? Evidence from sympatric populations of Arctic charr. <i>Biol. J. Linn. Soc. 81(4)</i>: 611-618. <a href=\"https://dx.doi.org/10.1111/j.1095-8312.2004.00314.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1095-8312.2004.00314.x</a>","BEntID":57383,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Biol. J. Linn. Soc. 81(4)</i>: 611-618. <a href=\"https://dx.doi.org/10.1111/j.1095-8312.2004.00314.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1095-8312.2004.00314.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Adams, C.E.; Huntingford, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Adams, C.E.; Huntingford, F.","Englishabstract":"Recent models suggest that the existence of environmentally induced polymorphisms within a single population (especially those related to foraging) facilitates the process of evolutionary divergence within a single gene pool by generating distinct phenotypic modes that are exposed to differential selection. In order to test a prediction of the phenotypic plasticity model of divergence, we used a well-documented polymorphism to disentangle the relative effects of morph and rearing environment in generating phenotypic variance. We reared first-generation offspring of two sympatric morphs of Arctic charr <i>Salvelinus alpinus</i> in the laboratory and compared their head morphology with that of their wild parents. Morphological characters with a known functional role in foraging were highly plastic. Rearing environment accounted for the largest component of the variation in expressed phenotype, but this environmental effect overlaid a clear (but small) genetic effect. We conclude that phenotypic plasticity has played a significant role in the evolution of this trophic polymorphism, but that the evolutionary process has progressed to the point that the gene pool is now segregated.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Incipient speciation driven by phenotypic plasticity? 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