Peter R. Grant Quotes
Quotations and aphorisms by Peter R. Grant:
Evidence of epistasis from hybridization studies is more scarce.
~Peter R. Grant
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Islands are known to differ in the food supply available to ground finches, mainly seeds.
~Peter R. Grant
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Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals.
~Peter R. Grant
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We observe closely related species in sympatry and infer how they evolved from a common ancestor.
~Peter R. Grant
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To summarize, the particular song a male sings, and the behavioral responses of females to song and morphological signals, are not genetically inherited in a fixed manner but are determined by learning early in life.
~Peter R. Grant
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The theory of founder effects does not explain how novel features like plumage traits arise.
~Peter R. Grant
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Genes that underlie the capacity to receive, use and transmit information are the evolving properties.
~Peter R. Grant
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Exchange of breeding individuals between two populations tends to homogenize their gene pools.
~Peter R. Grant
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The divergence of songs in the new population away from those in the progenitor population would only be prevented if these processes were balanced by repeated immigration and subsequent breeding: song flow.
~Peter R. Grant
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Closely related species of birds are also chromosomally similar.
~Peter R. Grant
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The independent role of morphology in mate choice is revealed by the rare instances where the usual association between song and morphology is disrupted.
~Peter R. Grant
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Thus mating of females was strictly along the lines of paternal song.
~Peter R. Grant
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The process of speciation is completed with the cessation of genetic exchange.
~Peter R. Grant
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Males transmit signals in courtship through behavioral displays.
~Peter R. Grant
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Species can be recognized by their morphological characteristics and songs.
~Peter R. Grant
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Thus the genetic basis to the origin of bird species is to be sought in the inheritance of adult traits that are subject to natural and sexual selection.
~Peter R. Grant
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Plumage features constitute a major component of courtship signals.
~Peter R. Grant
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