Titlebook: Ecological Genetics; E. B. Ford Book 1975Latest edition E. B. Ford 1975 chromosome.climate.evolution.genetics.mutant

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EU Integration Perspectives After Brexittion-pressure with which these are associated may greatly increase the speed of evolution. There are, however, additional ways in which the reduction of a population to a very low level, whether permanently or recurrently, may bring about certain types of evolutionary change. That is to say, through

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Wonderful Space Life: Part One,owever, already been mentioned that the occurrence of polyploids and polysomics in plants, and far more rarely in animals, has always been recognized as an exception to that statement (p. 49). Moreover, in this matter we are clearly concerned neither with the formation of dines adjusted to gradation

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https://doi.org/10.1007/978-3-030-46519-3 consider how those controlled by major genes can be used for similar evolutionary studies. This can in fact be done in all instances of genetic polymorphism. A strict definition of that situation had proved a fundamental necessity. It was provided in the following terms: Genetic polymorphism is the

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An Africana Philosophy of Temporalityene. Some indication of that occurrence was obtained from those species in which various phases are apparently determined by a series of alleles (p. 120), while clear evidence for it can be derived from the examples to be discussed in this and the four succeeding chapters.

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Social Theory in the Face of the Future,d the primrose, ., as his principal examples and it is these species also that have generally been employed in the more complete analysis of the condition undertaken in recent years using the methods of ecological genetics. Furthermore, it must be emphasized at the outset that heterostyly opens up t

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The Debt to John Maynard Keynese characteristics which can deceive the senses of a predator. Thus the markings on the abdomen of a wasp may be copied upon the closed elytra of a beetle. Also the similar colours of two mimetic species may be of very different chemical constitutions or one may be pigmentary and the other structural