Genetics and the Logic of Evolution - download pdf or read online

By Kenneth M. Weiss

ISBN-10: 0471238058

ISBN-13: 9780471238058

During this ebook the authors draw on what's identified, principally from contemporary learn, in regards to the nature of genes and cells, the genetics of improvement and animal and plant physique plans, intra- and interorganismal verbal exchange, sensation and belief, to suggest few easy generalizations, in addition to the converted software of the classical evolutionary idea, grants a broader theoretical figuring out of genes, evolution, and the various and intricate nature of residing organisms.

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The idea, attributed generally to influential thinkers such as Descartes and Francis Bacon, derives from our notions of empirical experimental design that the phenomena of nature can—indeed, perhaps should—be studied and understood part by part, ultimately all the way down to the most fundamental parts. This does not mean that each part acts independently, nor that we necessarily ever will understand all aspects of a trait. But it does assume that in principle we can come to a fundamental understanding of a phenomenon by isolating and analyzing its component effects.

Some of that variation is heritable 3. There is population pressure on resources so that not all organisms survive to reproduce equally well (when differential reproduction is related to heritable variation we call that natural selection) Duplication with variation: 4. Sequestration 5. Duplication 6. Modularity 7. Chance 8. Contingency Basic chemical logic: 9. Complementary base-pairing in RNA/DNA 10. Protein-protein and receptor-ligand binding properties such that life really would be the unfolding—the original, embryological development sense, of the term “evolution”—of the interactions latent in the molecular structure.

This would seem to be directly related to the notions of darwinian fitness in the face of natural selection, since those who live longest or reproduce first might be declared the evolutionary winner. Does selection work directly on that or on the processes underlying the result? For example, much has been said of the notion that maximum lifespan is a characteristic of a species. This seems sensible, but does it imply there are genes for the timing of death? Does age at death evolve as a trait? Or is it just that causes of disease, that is, problems in cellular physiology, are screened and the net result is a statistical pattern of ages at death?

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Genetics and the Logic of Evolution by Kenneth M. Weiss

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