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 377
... occur in all but the coldest parts of all the continents . A few higher taxa , in contrast , are very narrowly endemic : the reptile order Rhyncho- cephalia is represented today by only a single species , the tuatara ( Sphenodon ...
... occur in all but the coldest parts of all the continents . A few higher taxa , in contrast , are very narrowly endemic : the reptile order Rhyncho- cephalia is represented today by only a single species , the tuatara ( Sphenodon ...
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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