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 61
Pagina 199
... offspring . For example , suppose genotypes AA , AA ' , and A'A ' have phenotypes 6 , 5 , and 4 respectively . Then the mean of the parents ( the MIDPARENT VALUE ) in the cross AA × A'A ' is ( 6 + 4 ) / 2 5. This is the mean of the F1 ...
... offspring . For example , suppose genotypes AA , AA ' , and A'A ' have phenotypes 6 , 5 , and 4 respectively . Then the mean of the parents ( the MIDPARENT VALUE ) in the cross AA × A'A ' is ( 6 + 4 ) / 2 5. This is the mean of the F1 ...
Pagina 200
... offspring . Estimates of VA , and especially VD and V1 , are often imprecise unless large samples and a careful breeding scheme are employed . Nevertheless , some esti- mates of variance components ( Table II ) show an interesting ...
... offspring . Estimates of VA , and especially VD and V1 , are often imprecise unless large samples and a careful breeding scheme are employed . Nevertheless , some esti- mates of variance components ( Table II ) show an interesting ...
Pagina 262
... offspring . Although the reciprocal degree of relation- ship between parent and offspring is the same , we would ordinarily expect parents to sacrifice more for their offspring than vice versa , since the probable future reproductive ...
... offspring . Although the reciprocal degree of relation- ship between parent and offspring is the same , we would ordinarily expect parents to sacrifice more for their offspring than vice versa , since the probable future reproductive ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York