Evolutionary BiologyOxford University Press, Incorporated, 1979 - 565 pagine Futuyma (ecology and evolution, SUNY Stony Brook) covers such subject areas as phylogeny, paleobiology, genetic mechanisms of change and speciation, character evolution, the theory of processes and macroevolution, and new molecular perspectives. Numerous line drawings, charts, diagrams, and maps are provided. Annotation copyrighted by Book News, Inc., Portland, OR |
Dall'interno del libro
Risultati 1-3 di 75
Pagina 44
... produce a precursor substance x , and many enzymes can act in sequence or in parallel to convert x to y ; thus many gene loci can contribute to the production of a single characteristic . It is common for each gene to contribute to the ...
... produce a precursor substance x , and many enzymes can act in sequence or in parallel to convert x to y ; thus many gene loci can contribute to the production of a single characteristic . It is common for each gene to contribute to the ...
Pagina 45
... produces x has multiple effects . Conversely the failure to produce a material that is a necessary ingredient of many tissues alters all those tissues . The achondroplasia mutant in the rat causes an inability to suckle , faulty ...
... produces x has multiple effects . Conversely the failure to produce a material that is a necessary ingredient of many tissues alters all those tissues . The achondroplasia mutant in the rat causes an inability to suckle , faulty ...
Pagina 46
... produce many individuals with exactly the same genotype and raise them under an enormous range of environmental conditions , we would find that every gene varies to a greater or lesser degree in its phenotypic expression . Some ...
... produce many individuals with exactly the same genotype and raise them under an enormous range of environmental conditions , we would find that every gene varies to a greater or lesser degree in its phenotypic expression . Some ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA adaptive advantageous alleles alterations ancestor animals appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce recombination relative reproduction response sexual similar single speciation species structure theory tion variance vary