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 116
P2 2 FIGURE 17 A plant described as a new genus , Roxira ( P2 , at upper right )
, is actually conspecific with Layia glandulosa ( P1 ) . The distinguishing
characters are determined by only a few genes , as illustrated by segregation in
the F2 ...
P2 2 FIGURE 17 A plant described as a new genus , Roxira ( P2 , at upper right )
, is actually conspecific with Layia glandulosa ( P1 ) . The distinguishing
characters are determined by only a few genes , as illustrated by segregation in
the F2 ...
Pagina 117
SUMMARY Genetic variation within a population is described by the number and
frequency of alleles at each locus , and the degree to which alleles are organized
into nonrandom combinations . There is considerable genetic variation within ...
SUMMARY Genetic variation within a population is described by the number and
frequency of alleles at each locus , and the degree to which alleles are organized
into nonrandom combinations . There is considerable genetic variation within ...
Pagina 224
... in appearance , ecology , and behavior ; the drongo ( Dicrurus ) described in
Chapter 4 is an example . Cases of " double invasion , " many of which are
described by Mayr ( 1942 ) , are especially interesting . For example , the bird
Acanthiza ...
... in appearance , ecology , and behavior ; the drongo ( Dicrurus ) described in
Chapter 4 is an example . Cases of " double invasion , " many of which are
described by Mayr ( 1942 ) , are especially interesting . For example , the bird
Acanthiza ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
ADAPTATION AND ENVIRONMENT | 19 |
COMPLEX INTERACTIONS AMONG SPECIES | 34 |
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adaptive advantage allele allele frequency America appear arise associated average become behavior biological birds caused Chapter characteristics characters chromosome common competition conversion copies correlation depends described determined developmental differentiation direct 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 genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less lineage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotype plants Pleistocene polymorphism population possible predators probability reduced region relationships relative represent reproductive response separate sequence similar single speciation species structure taxa term theory tion trait usually variance variation vary