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 28
Pagina 451
... FAMILIES of DNA sequences with identical or very similar se- quences have been revealed . The number of elements ( copies ) in a gene family ranges from two to more than 10 ° ; the human genome , for example , contains the Alu family of ...
... FAMILIES of DNA sequences with identical or very similar se- quences have been revealed . The number of elements ( copies ) in a gene family ranges from two to more than 10 ° ; the human genome , for example , contains the Alu family of ...
Pagina 461
... genetic drift . Thus the absorbing boundary state of a one - member gene family is less likely to arise and to be fixed . This is one possible explanation for the observation that middle and highly repetitive DNA ( e.g. , satellite DNA ) ...
... genetic drift . Thus the absorbing boundary state of a one - member gene family is less likely to arise and to be fixed . This is one possible explanation for the observation that middle and highly repetitive DNA ( e.g. , satellite DNA ) ...
Pagina 464
... DNA has the advantage . THE EVOLUTION OF GENE FAMILIES Possibly the most remarkable feature of gene families is that even those consisting of many thousands of members are highly homogeneous in nucleotide sequence . For example , about ...
... DNA has the advantage . THE EVOLUTION OF GENE FAMILIES Possibly the most remarkable feature of gene families is that even those consisting of many thousands of members are highly homogeneous in nucleotide sequence . For example , about ...
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