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 21
Pagina 208
... number of abdominal bristles in Drosophila melanogaster . Mather and Harrison scored bristles on several segments of ... bristle number was 9.35 in females and 6.95 in males . The phenotypic variances Vp were 2.99 and 2.07 for males and ...
... number of abdominal bristles in Drosophila melanogaster . Mather and Harrison scored bristles on several segments of ... bristle number was 9.35 in females and 6.95 in males . The phenotypic variances Vp were 2.99 and 2.07 for males and ...
Pagina 213
... number of bristles . Selection in a homozygous scsc population can change the mean bristle number , so there is polygenic variation for the trait that is ordinarily not ex- pressed ; scutellar bristle number in ++ flies is highly ...
... number of bristles . Selection in a homozygous scsc population can change the mean bristle number , so there is polygenic variation for the trait that is ordinarily not ex- pressed ; scutellar bristle number in ++ flies is highly ...
Pagina 214
... bristles of Drosophila melanogaster and the value of an underlying variable called " Make . " The notations 0/1 and so forth mark the threshold values of " Make " at which the bristle number is changed by 1. Development is canalized at 4 ...
... bristles of Drosophila melanogaster and the value of an underlying variable called " Make . " The notations 0/1 and so forth mark the threshold values of " Make " at which the bristle number is changed by 1. Development is canalized at 4 ...
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