Evolutionary BiologyCovers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 110
Postmating isolating mechanisms such as hybrid sterility or inviability ( see below
) also vary geographically . For example , the form and number of chromosomes
frequently differs among populations , as in the plant Clarkia unguiculata , in ...
Postmating isolating mechanisms such as hybrid sterility or inviability ( see below
) also vary geographically . For example , the form and number of chromosomes
frequently differs among populations , as in the plant Clarkia unguiculata , in ...
Pagina 178
Only two electrophoretically distinguishable alleles ( F and S ) are at all common ;
their frequencies vary clinally with latitude in several continents , but the
polymorphism is ubiquitous ( van Delden 1982 ) . Kreitman ( 1983 ) determined
the ...
Only two electrophoretically distinguishable alleles ( F and S ) are at all common ;
their frequencies vary clinally with latitude in several continents , but the
polymorphism is ubiquitous ( van Delden 1982 ) . Kreitman ( 1983 ) determined
the ...
Pagina 222
When interspecific hybrids are sterile , the sterility may vary in degree , and can
have several causes . Related species often have differences in chromosome
structure such as reciprocal translocations or pericentric inversions that can lower
...
When interspecific hybrids are sterile , the sterility may vary in degree , and can
have several causes . Related species often have differences in chromosome
structure such as reciprocal translocations or pericentric inversions that can lower
...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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Parole e frasi comuni
adaptive advantage allele frequency America animals appear arise average become behavior biological birds caused Chapter characteristics characters chromosomes common competition condition correlated depends derived determined differentiated direct distribution diversity Drosophila ecological effect environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors families favor females Figure fitness fossil function gene gene flow genetic drift genotypes geographic greater groups growth heterozygotes higher human hybrid important increase individual interactions isolation less linkage loci locus lower major males mammals mating mean mechanisms morphological mutation natural selection occur offspring organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible predators present probability recombination reduced region relative represent reproductive response sequence similar single sometimes speciation species structure taxa term theory tion trait usually variance variation vary
Informazioni bibliografiche
| Titolo | Evolutionary Biology |
| Autore | Douglas J. Futuyma |
| Edizione | 2, illustrata |
| Editore | Sinauer Associates, 1986 |
| Provenienza dell'originale | la University of Michigan |
| Digitalizzato | 27 gen 2010 |
| ISBN | 0878931880, 9780878931880 |
| Lunghezza | 600 pagine |
| Esporta citazione | BiBTeX EndNote RefMan |