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 60
... occur within the confines of a gene and so alter the base pair sequence ( see below ) . Thus some recombinational events are , in effect , mutations . CHANGES IN THE KARYOTYPE The subject of mutational changes in chromosomes is very ...
... occur within the confines of a gene and so alter the base pair sequence ( see below ) . Thus some recombinational events are , in effect , mutations . CHANGES IN THE KARYOTYPE The subject of mutational changes in chromosomes is very ...
Pagina 62
... occur in the same chromosome and the segment between them is rotated 180 degrees . This could occur if breaks occur at the point of overlap in a chromosome loop . PERICENTRIC INVERSIONS include the centromere ; PARACENTRIC INVERSIONS do ...
... occur in the same chromosome and the segment between them is rotated 180 degrees . This could occur if breaks occur at the point of overlap in a chromosome loop . PERICENTRIC INVERSIONS include the centromere ; PARACENTRIC INVERSIONS do ...
Pagina 115
... occurs between sympatric populations of what are generally con- sidered different species . Such " hybrid swarms " often occur in disturbed habitats where the ecological component of reproductive isolation has broken down . For example ...
... occurs between sympatric populations of what are generally con- sidered different species . Such " hybrid swarms " often occur in disturbed habitats where the ecological component of reproductive isolation has broken down . For example ...
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