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 110
... vary geographically . For example , the form and number of chromo- somes frequently differs among populations , as in the plant Clarkia unguiculata , in which populations differ by three to seven reciprocal translocations and form ...
... vary geographically . For example , the form and number of chromo- somes frequently differs among populations , as in the plant Clarkia unguiculata , in which populations differ by three to seven reciprocal translocations and form ...
Pagina 116
... vary within species of many other vertebrates . Even as fundamental a character as the number of cotyledons , which distinguishes the two great classes of angiosperms , varies intraspecifically in the shrub Pittosporum , and it has been ...
... vary within species of many other vertebrates . Even as fundamental a character as the number of cotyledons , which distinguishes the two great classes of angiosperms , varies intraspecifically in the shrub Pittosporum , and it has been ...
Pagina 178
... vary clinally with latitude in several continents , but the polymorphism is ubiq- uitous ( van Delden 1982 ) . Kreitman ( 1983 ) determined the nucleotide sequence of a number of individual genes of both electromorphs ( see Chapter 15 ) ...
... vary clinally with latitude in several continents , but the polymorphism is ubiq- uitous ( van Delden 1982 ) . Kreitman ( 1983 ) determined the nucleotide sequence of a number of individual genes of both electromorphs ( see Chapter 15 ) ...
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 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