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 |
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Pagina 371
... number of abdominal bristles and line 3 for a high number by choosing the two most extreme individuals of each sex from 20 of each sex on which bristle number was scored in each generation . The main features of the results are these : Mean ...
... number of abdominal bristles and line 3 for a high number by choosing the two most extreme individuals of each sex from 20 of each sex on which bristle number was scored in each generation . The main features of the results are these : Mean ...
Pagina 378
... number of bristles on the scutellum from the normal ( wild type , denoted + ) number of four , to a more variable , lower number . The mutation also reduces the number of ... bristle number in an scsc population that 378 CHAPTER FIFTEEN.
... number of bristles on the scutellum from the normal ( wild type , denoted + ) number of four , to a more variable , lower number . The mutation also reduces the number of ... bristle number in an scsc population that 378 CHAPTER FIFTEEN.
Pagina 381
... number of scutellar and abdominal bristles , while selection for increased scutellar bristles inflies lowers the abdominal bristle number ! Rendel postulates ( Figure 9 ) that the two kinds of bristles are formed from a common pool of ...
... number of scutellar and abdominal bristles , while selection for increased scutellar bristles inflies lowers the abdominal bristle number ! Rendel postulates ( Figure 9 ) that the two kinds of bristles are formed from a common pool of ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA AA adaptive adaptive radiation advantageous alleles ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient complex correlated deleterious depends developmental differentiation distribution diversity Dobzhansky dominant Drosophila ecological effect environment environmental enzyme epistasis epistatic equilibrium evidence evolutionary change evolved example extinction factors females Figure fitness flies fossil record function gametes gene flow gene frequency genetic change genetic drift genetic variation genome genotypes geographic habitats heterozygotes heterozygous homozygotes homozygous host human hybrid inbreeding increase individuals insects interactions less Lewontin linkage disequilibrium loci locus major males mammals mating Mayr mechanisms morphological mutation rates natural selection niche number of species occur offspring organisms overdominance patterns phenotypic phylogenetic plants pollen polymorphic population predators probability protein random rate of evolution recombination reproductive isolation response sexual similar single speciation structure survival sympatric theory tion traits variance vary