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 62
... chromosomes . An INVERSION arises when two breaks 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 ...
... chromosomes . An INVERSION arises when two breaks 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 ...
Pagina 222
... chromosome . When interspecific hybrids are sterile , the sterility may vary in degree , and can have several causes . Related species often have differences in chromosome structure such as reciprocal translocations or pericentric ...
... chromosome . When interspecific hybrids are sterile , the sterility may vary in degree , and can have several causes . Related species often have differences in chromosome structure such as reciprocal translocations or pericentric ...
Pagina 467
... chromosome , most chromosomes A Within a chromosome Within- chromatid conversion Centromere B Between homologous chromosomes C Between nonhomologous chromosomes Between sister chromatids or FIGURE 10 Possible modes of gene conversion ...
... chromosome , most chromosomes A Within a chromosome Within- chromatid conversion Centromere B Between homologous chromosomes C Between nonhomologous chromosomes Between sister chromatids or FIGURE 10 Possible modes of gene conversion ...
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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