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 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 V 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 V 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 ...
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance