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 99
... heterozygotes is higher than that of homozygotes . Substantial heterozygote excess is rather uncommon , but con- siderable deficiencies of heterozygotes are very commonly observed . These are usually caused by some kind of inbreeding ...
... heterozygotes is higher than that of homozygotes . Substantial heterozygote excess is rather uncommon , but con- siderable deficiencies of heterozygotes are very commonly observed . These are usually caused by some kind of inbreeding ...
Pagina 124
... heterozygotes . ( If heterozygotes have the greatest value , the locus is said to be OVERDOMINANT ) . Such a decline , called INBREEDING DEPRESSION , is generally attributed to increased frequency of homozygotes for recessive alleles ...
... heterozygotes . ( If heterozygotes have the greatest value , the locus is said to be OVERDOMINANT ) . Such a decline , called INBREEDING DEPRESSION , is generally attributed to increased frequency of homozygotes for recessive alleles ...
Pagina 196
... heterozygotes Home 351 Foreign 342 Home 466 Foreign 442 Extrapopulation heterozygotes ( After Thoday 1955 ) " Intrapopulation heterozygotes were heterozygous for two chro- mosomes taken from the same laboratory population ; extrapo ...
... heterozygotes Home 351 Foreign 342 Home 466 Foreign 442 Extrapopulation heterozygotes ( After Thoday 1955 ) " Intrapopulation heterozygotes were heterozygous for two chro- mosomes taken from the same laboratory population ; extrapo ...
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