Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers 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. |
Dall'interno del libro
Risultati 1-3 di 41
Pagina 84
... GAMETE FREQUENCY . There are nine possible zygotic genotypes ( AABB , AABB ' , . . . , A'A'B'B ' ) , but only four possible gametes ( AB , AB ' , A'B , A'B ' ) that unite at random to form zygotes . Denote the frequencies of these gametes ...
... GAMETE FREQUENCY . There are nine possible zygotic genotypes ( AABB , AABB ' , . . . , A'A'B'B ' ) , but only four possible gametes ( AB , AB ' , A'B , A'B ' ) that unite at random to form zygotes . Denote the frequencies of these gametes ...
Pagina 86
... gamete , weighted by the pro- portion of the zygote's gametes that are of the appropriate type . Note that the double heterozygote undergoes recombination at rate R. A proportion R / 2 of the gametes of the repulsion heterozygote ( AB ...
... gamete , weighted by the pro- portion of the zygote's gametes that are of the appropriate type . Note that the double heterozygote undergoes recombination at rate R. A proportion R / 2 of the gametes of the repulsion heterozygote ( AB ...
Pagina 185
... gametes AB , A'B ' and the frequencies of the repulsion gametes AB ' , A'B . The loci are in complete linkage disequilibrium if only coupling gametes are present ( D = 1/4 if p1 and p2 both are 0.5 ) or if only repulsion gametes are ...
... gametes AB , A'B ' and the frequencies of the repulsion gametes AB ' , A'B . The loci are in complete linkage disequilibrium if only coupling gametes are present ( D = 1/4 if p1 and p2 both are 0.5 ) or if only repulsion gametes are ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary