Evolutionary BiologyCovers 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 222
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 inversions that can lower
...
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 inversions that can lower
...
Pagina 424
A structure that takes on a new function is often said to have been a
PREADAPTATION . This does not mean that it evolved in anticipation of future
need ( Bock 1959 ) , but merely that its function has changed more rapidly than its
structure .
A structure that takes on a new function is often said to have been a
PREADAPTATION . This does not mean that it evolved in anticipation of future
need ( Bock 1959 ) , but merely that its function has changed more rapidly than its
structure .
Pagina 478
changes in enzyme structure enabling hydrolysis of the substrate ; alteration of a
regulatory gene so that the enzyme can ... incorporated prokaryotes as
intracellular symbionts : mitochondria and chloroplasts have such structural
similarities to ...
changes in enzyme structure enabling hydrolysis of the substrate ; alteration of a
regulatory gene so that the enzyme can ... incorporated prokaryotes as
intracellular symbionts : mitochondria and chloroplasts have such structural
similarities to ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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adaptive advantage allele frequency America animals appear arise average become behavior birds caused cells Chapter characteristics characters chromosomes common condition copies correlated crossing depends determined developmental differentiation direct distribution diversity Drosophila ecological effect environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors favor females Figure fitness fossil function gene gene flow genetic drift genotypes geographic greater groups growth heterozygotes higher human hybrid important increase individual interactions isolation less linkage loci locus lower major males mammals mating mean mechanisms morphological mutation natural selection occur offspring organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible present probability recombination reduced region relative represent reproductive response separated sequence similar single sometimes speciation species structure taxa term theory tion trait usually variance variation vary