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 90
... heritability is , the more closely offspring resemble their parents , and indeed the magnitude of the phenotypic resemblance between relatives offers one way of measuring the heritability of a character . Although the genetic component ...
... heritability is , the more closely offspring resemble their parents , and indeed the magnitude of the phenotypic resemblance between relatives offers one way of measuring the heritability of a character . Although the genetic component ...
Pagina 198
... Heritability The HERITABILITY of a trait is the fraction of the phenotypic variance that is attributable to genetic variation ; it is denoted h2 . If Vp = VG + VE , the heritability in the broad sense is h2B = VG / Vp . This is the ...
... Heritability The HERITABILITY of a trait is the fraction of the phenotypic variance that is attributable to genetic variation ; it is denoted h2 . If Vp = VG + VE , the heritability in the broad sense is h2B = VG / Vp . This is the ...
Pagina 532
... heritability may approach zero ( Chapter 7 ) . Moreover , the heritability could be very high , yet the mean phenotype could be changed enormously by altering the environment , as is clear in the simple experiment of fertilizing crop ...
... heritability may approach zero ( Chapter 7 ) . Moreover , the heritability could be very high , yet the mean phenotype could be changed enormously by altering the environment , as is clear in the simple experiment of fertilizing crop ...
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