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 70
... element itself often contains repeats that may be either direct or inverted ( i.e. , having the same sequence read from opposite directions ) . Transposable elements ( also called transposons or , in the popular press , " jumping genes ...
... element itself often contains repeats that may be either direct or inverted ( i.e. , having the same sequence read from opposite directions ) . Transposable elements ( also called transposons or , in the popular press , " jumping genes ...
Pagina 457
... elements in a species may account for 10 percent or more of the total DNA . Drosophila melanogaster has at least 30 families of transposable elements that in aggregate make up about half the middle repetitive DNA . Many kinds of ...
... elements in a species may account for 10 percent or more of the total DNA . Drosophila melanogaster has at least 30 families of transposable elements that in aggregate make up about half the middle repetitive DNA . Many kinds of ...
Pagina 462
... element combines together insertions that have arisen in different individuals , so the distribution of copy number in the population behaves much like a polygenic character ( Chapter 7 ) . If transposable elements had no effects on ...
... element combines together insertions that have arisen in different individuals , so the distribution of copy number in the population behaves much like a polygenic character ( Chapter 7 ) . If transposable elements had no effects on ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary