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 79
Pagina 212
... chromosome from a male Drosophila melanogaster and making it homozygous to detect recessive alleles . The ... chromosome and some identical for the wild chromosome . These two kinds of fly may be expected in , say , a 2 : 1 ratio . The ...
... chromosome from a male Drosophila melanogaster and making it homozygous to detect recessive alleles . The ... chromosome and some identical for the wild chromosome . These two kinds of fly may be expected in , say , a 2 : 1 ratio . The ...
Pagina 234
... chromosomes ; each part of the chromosome has centromeric activity , so that even small chromosome fragments travel to the poles of the meiotic spindle . But in most organisms the chromosome has a localized centromere and is literally ...
... chromosomes ; each part of the chromosome has centromeric activity , so that even small chromosome fragments travel to the poles of the meiotic spindle . But in most organisms the chromosome has a localized centromere and is literally ...
Pagina 238
... chromosomes Metacentric chromosomes have the centromere somewhere in the middle ; acrocentric chromosomes have the centromere very near the end . The two arms of a metacentric chromosome in one organism are often homologous to two ...
... chromosomes Metacentric chromosomes have the centromere somewhere in the middle ; acrocentric chromosomes have the centromere very near the end . The two arms of a metacentric chromosome in one organism are often homologous to two ...
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