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 275
... favor genotypes that have fewer , larger offspring . Similarly , Lack ( 1954 ) found that starlings ( Sturnus vulgaris ) have the greatest number of surviving offspring if they lay no more than five or six eggs . The parents are unable ...
... favor genotypes that have fewer , larger offspring . Similarly , Lack ( 1954 ) found that starlings ( Sturnus vulgaris ) have the greatest number of surviving offspring if they lay no more than five or six eggs . The parents are unable ...
Pagina 282
... favor recombination can be envisioned , it is uncertain whether the advantage they may impart to sexual reproduction is sufficient to counteract its twofold disadvantage . Intense selection for recombinant genotypes is necessary , and ...
... favor recombination can be envisioned , it is uncertain whether the advantage they may impart to sexual reproduction is sufficient to counteract its twofold disadvantage . Intense selection for recombinant genotypes is necessary , and ...
Pagina 460
... favor mechanisms of DOSAGE COMPENSATION , whereby the activity of one or more gene copies is reduced ( Allendorf 1979 ) . There is evidence , for example , that in some tetraploid fish such as carp ( Cyprinus carpio ) , levels of RNA ...
... favor mechanisms of DOSAGE COMPENSATION , whereby the activity of one or more gene copies is reduced ( Allendorf 1979 ) . There is evidence , for example , that in some tetraploid fish such as carp ( Cyprinus carpio ) , levels of RNA ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
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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