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 39
... gametes of an AA ' parent carry A and the other half carry A ' . If this is also true of the other parent and if the gametes combine at random , the proportion of each genotype among the offspring is readily predicted . Thus in the ...
... gametes of an AA ' parent carry A and the other half carry A ' . If this is also true of the other parent and if the gametes combine at random , the proportion of each genotype among the offspring is readily predicted . Thus in the ...
Pagina 230
... gametes that carry A. The frequency p2 of B is goo + 810 , and similarly for the other two alleles . = If the probability that a gamete contains allele A is independent of its carrying allele B , the frequency ( goo ) of the AB gamete ...
... gametes that carry A. The frequency p2 of B is goo + 810 , and similarly for the other two alleles . = If the probability that a gamete contains allele A is independent of its carrying allele B , the frequency ( goo ) of the AB gamete ...
Pagina 234
... gametes are formed : diploid ( 2N ) gametes from diploid plants , for example . The union of such a gamete with a haploid ( N ) gamete yields a triploid ( 3N ) zygote , which is usually sterile because each of its gametes re- ceives a ...
... gametes are formed : diploid ( 2N ) gametes from diploid plants , for example . The union of such a gamete with a haploid ( N ) gamete yields a triploid ( 3N ) zygote , which is usually sterile because each of its gametes re- ceives a ...
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 alterations ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient 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 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