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. |
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Pagina 160
... equilibrium between input from mutation and loss by selec- tion . For example , the equilibrium frequency of a deleterious recessive allele is 4 = ( u / s ) , where s is the coefficient of selection against A'A ' ( Box C ) . If ...
... equilibrium between input from mutation and loss by selec- tion . For example , the equilibrium frequency of a deleterious recessive allele is 4 = ( u / s ) , where s is the coefficient of selection against A'A ' ( Box C ) . If ...
Pagina 171
... equilibrium at q = $ 1 / ( $ 1 + $ 2 ) , but this is an unstable equilibrium ; if q exceeds this equilibrium value , s2q > sip so Aq > 0 , whereas if q is less than the equilib- rium value , Aq < 0. The stable equilibria are at q = 0 ...
... equilibrium at q = $ 1 / ( $ 1 + $ 2 ) , but this is an unstable equilibrium ; if q exceeds this equilibrium value , s2q > sip so Aq > 0 , whereas if q is less than the equilib- rium value , Aq < 0. The stable equilibria are at q = 0 ...
Pagina 470
... equilibrium is attained generally increases with n or Ne , but it decreases with higher conversion rate ( even though any given sequence is farther from fixation at equilibrium ) . Recom- bination may either increase or decrease the ...
... equilibrium is attained generally increases with n or Ne , but it decreases with higher conversion rate ( even though any given sequence is farther from fixation at equilibrium ) . Recom- bination may either increase or decrease the ...
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