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 199
Then the mean of the parents ( the MIDPARENT VALUE ) in the cross AA X A'A ' is ( 6 + 4 ) / 2 5. This is the mean of the Fı progeny ( AA ' ) , and the F2 progeny as well [ ( 1/4 X 6 ) + ( 1/2 x 5 ) + ( 1/4 X 4 ) = 5 ) ] .
Then the mean of the parents ( the MIDPARENT VALUE ) in the cross AA X A'A ' is ( 6 + 4 ) / 2 5. This is the mean of the Fı progeny ( AA ' ) , and the F2 progeny as well [ ( 1/4 X 6 ) + ( 1/2 x 5 ) + ( 1/4 X 4 ) = 5 ) ] .
Pagina 201
variance , and w is mean fitness , the mean will change by an amount Az VA dw W di per generation ( Lande 1976a ) . ( This expression , in which dwldż is the slope of the relation between w and ż , assumes that h ? and Vp are constant . ) ...
variance , and w is mean fitness , the mean will change by an amount Az VA dw W di per generation ( Lande 1976a ) . ( This expression , in which dwldż is the slope of the relation between w and ż , assumes that h ? and Vp are constant . ) ...
Pagina 543
FIGURE 1 The normal distribution curve , showing the fraction of the area embraced by one , two , and three standard deviations ( o ) on either side of the mean . -30 -20 0 o 20 30 68 % of area 96 % of area 99.7 % of area area under the ...
FIGURE 1 The normal distribution curve , showing the fraction of the area embraced by one , two , and three standard deviations ( o ) on either side of the mean . -30 -20 0 o 20 30 68 % of area 96 % of area 99.7 % of area area under the ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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adaptive advantage allele allele frequency America appear arise average become behavior biological birds cause Chapter characteristics characters chromosome common competition complex copies correlation depends described determined developmental differentiation direct distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil frequency function gene genetic genetic drift genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less lineage loci locus lower major mating mean mechanisms morphological mutation natural selection observed occur organisms origin pairs pattern phenotype plants Pleistocene population possible predators prey probability reduced region relationships relative represent reproductive response separated sequence similar single 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 |