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 44
Pagina 51
... Crossing over may then occur . In one model of crossing over , nicks are made at corresponding points in a single strand of each of the two aligned molecules and each free end is joined with the broken strand of the other molecule ...
... Crossing over may then occur . In one model of crossing over , nicks are made at corresponding points in a single strand of each of the two aligned molecules and each free end is joined with the broken strand of the other molecule ...
Pagina 68
... crossing over subsequently more likely , because the gene in the first position on one chromosome may recognize and pair with the gene in the second position on the other ... crossing over Unequal crossing over Ordinarily 68 Chapter Three.
... crossing over subsequently more likely , because the gene in the first position on one chromosome may recognize and pair with the gene in the second position on the other ... crossing over Unequal crossing over Ordinarily 68 Chapter Three.
Pagina 77
... crossing over between homologous chromosomes . These processes vary greatly among different organisms . Sexual reproduction can involve two individuals or one , as in self - fertilizing plants . In ameiotic par- thenogenesis , meiosis ...
... crossing over between homologous chromosomes . These processes vary greatly among different organisms . Sexual reproduction can involve two individuals or one , as in self - fertilizing plants . In ameiotic par- thenogenesis , meiosis ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates