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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Risultati 1-3 di 58
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 F ...
... 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 F ...
Pagina 200
... offspring . Estimates of VA , and especially VD and VI , 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 VI , 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 amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates