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 85
Pagina 46
... phenotypic effect may seem advantageous may have disruptive effects on development that render it maladaptive . THE NORM OF REACTION Because genes exert their effects on the phenotype via biochemical reactions , they do not operate in ...
... phenotypic effect may seem advantageous may have disruptive effects on development that render it maladaptive . THE NORM OF REACTION Because genes exert their effects on the phenotype via biochemical reactions , they do not operate in ...
Pagina 347
... phenotype of the parents . Here is a case in which there is dominance at each locus , but the phenotypic value is the sum of the contributions of the individual loci : BB ' 6 6 4 B'B ' 2 2 0 Quite often , however , the phenotypic ...
... phenotype of the parents . Here is a case in which there is dominance at each locus , but the phenotypic value is the sum of the contributions of the individual loci : BB ' 6 6 4 B'B ' 2 2 0 Quite often , however , the phenotypic ...
Pagina 442
... phenotypic dissimilarity , are hardly distinguishable at all at the protein or DNA level ( King and Wilson 1975 ) . It seems possible that many of the mutations we know from their phenotypic effects those that alter the proportions and ...
... phenotypic dissimilarity , are hardly distinguishable at all at the protein or DNA level ( King and Wilson 1975 ) . It seems possible that many of the mutations we know from their phenotypic effects those that alter the proportions and ...
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