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 56
... cells of a multicellular organism's body . Certain cells may become polyploid , as in the mammalian liver , and certain genes may become amplified ; for example , in Drosophila ovarian follicle cells , genes that code for the chorion ...
... cells of a multicellular organism's body . Certain cells may become polyploid , as in the mammalian liver , and certain genes may become amplified ; for example , in Drosophila ovarian follicle cells , genes that code for the chorion ...
Pagina 59
... cells that ultimately differentiate into autonomic nerve ganglia , dermal pigment cells , and other tis- sues . Groups of cells often differentiate and acquire distinctive form in response to INDUCTION by other groups of cells ; for ...
... cells that ultimately differentiate into autonomic nerve ganglia , dermal pigment cells , and other tis- sues . Groups of cells often differentiate and acquire distinctive form in response to INDUCTION by other groups of cells ; for ...
Pagina 428
... cell packing , possibly by increasing adhesion among cells . Another mechanism of morphogenesis is cell death ; for example , the digits of the limbs of amniotes are formed by the death of cells in the embryo's paddle - shaped hand or ...
... cell packing , possibly by increasing adhesion among cells . Another mechanism of morphogenesis is cell death ; for example , the digits of the limbs of amniotes are formed by the death of cells in the embryo's paddle - shaped hand or ...
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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