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 276
SEXUAL SELECTION The difference between male and female is ultimately the
difference in the size of their gametes . ... Perhaps for this reason , females are
generally more selective in mating than males , which in some species may ...
SEXUAL SELECTION The difference between male and female is ultimately the
difference in the size of their gametes . ... Perhaps for this reason , females are
generally more selective in mating than males , which in some species may ...
Pagina 277
Intrasexual selection arises from contests among males for access to females or
to favorable mating sites , as in elephant seals ( Mirounga angustirostris ; Cox
and Le Boeuf 1977 ) and mountain sheep ( Ovis canadensis ; Geist 1971 ) , in ...
Intrasexual selection arises from contests among males for access to females or
to favorable mating sites , as in elephant seals ( Mirounga angustirostris ; Cox
and Le Boeuf 1977 ) and mountain sheep ( Ovis canadensis ; Geist 1971 ) , in ...
Pagina 278
Because T2 males are both acceptable to P , females and actively preferred by
P2 females , T2 increases in frequency . ... a genetic correlation between female
preference and male trait arises through linkage disequilibrium : P2 becomes ...
Because T2 males are both acceptable to P , females and actively preferred by
P2 females , T2 increases in frequency . ... a genetic correlation between female
preference and male trait arises through linkage disequilibrium : P2 becomes ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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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