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 77
Pagina 269
... mean . If A is dominant or overdominant ( d > 0 ) , the mean declines linearly with the degree of inbreeding ( this is called inbreeding depression ) . Now consider the effect of inbreeding on the variance ( Appendix I ) , making the ...
... mean . If A is dominant or overdominant ( d > 0 ) , the mean declines linearly with the degree of inbreeding ( this is called inbreeding depression ) . Now consider the effect of inbreeding on the variance ( Appendix I ) , making the ...
Pagina 371
... Mean bristle number changed dramatically in the first 20 to 30 generations , from 36 to 25 in the " low " line ( 1 ) , and to 56 in the " high " line ( 3 ) . Mean number of bristles 60 56 48 44 40 m 36 32 28 D 24 1 I T 0 5 10 15 20 25 ...
... Mean bristle number changed dramatically in the first 20 to 30 generations , from 36 to 25 in the " low " line ( 1 ) , and to 56 in the " high " line ( 3 ) . Mean number of bristles 60 56 48 44 40 m 36 32 28 D 24 1 I T 0 5 10 15 20 25 ...
Pagina 495
... MEAN ( commonly known . as the AVERAGE ) is then i x = = ( Other kinds of means can be calculated and are used in evolutionary theory , but I have used them very little in this book . ) If X is a discrete variable such as the number of ...
... MEAN ( commonly known . as the AVERAGE ) is then i x = = ( Other kinds of means can be calculated and are used in evolutionary theory , but I have used them very little in this book . ) If X is a discrete variable such as the number of ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
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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