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 62
Pagina 122
... proportion of allozygous individuals that are heterozygous ( 2pq ) . Hence in a population inbred to the extent F , the proportion of heterozygotes is HF = 2pq ( 1 − F ) . These results may be extended to multiple alleles : for any ...
... proportion of allozygous individuals that are heterozygous ( 2pq ) . Hence in a population inbred to the extent F , the proportion of heterozygotes is HF = 2pq ( 1 − F ) . These results may be extended to multiple alleles : for any ...
Pagina 156
... proportion of all genes that survive ( ŵ ) , or q ' = 1⁄2 ( 2pq ) ( 1 − s1 ) + q2 ( 1 − $ 2 ) - 1 - 2pqsi - q2s2 ... proportions ( Bodmer 1965 ) . 1. ADVANTAGEOUS ALLELE DOMINANT , DELE- TERIOUS ALLELE RECESSIVE . Supposing that allele ...
... proportion of all genes that survive ( ŵ ) , or q ' = 1⁄2 ( 2pq ) ( 1 − s1 ) + q2 ( 1 − $ 2 ) - 1 - 2pqsi - q2s2 ... proportions ( Bodmer 1965 ) . 1. ADVANTAGEOUS ALLELE DOMINANT , DELE- TERIOUS ALLELE RECESSIVE . Supposing that allele ...
Pagina 457
... proportion of the genome con- sisting of a transposable family can increase without , at first surmise , any limit . Any variant that can transpose at a higher frequency than others will comprise an increasing proportion of the family ...
... proportion of the genome con- sisting of a transposable family can increase without , at first surmise , any limit . Any variant that can transpose at a higher frequency than others will comprise an increasing proportion of the family ...
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