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. |
Dall'interno del libro
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Pagina 95
X & x 8x + | | | | + Pm + Pm CyL CyL Pm Pm CVU " 10fllrillo CyL Pm : | 13 | 143
450 05 : 00 x Pm cyć cyl PM Pm Pm + X + , Pm FIGURE 6 Crossing technique for
“ extracting ' a chromosome from a male Drosophila melanogaster and making it
...
X & x 8x + | | | | + Pm + Pm CyL CyL Pm Pm CVU " 10fllrillo CyL Pm : | 13 | 143
450 05 : 00 x Pm cyć cyl PM Pm Pm + X + , Pm FIGURE 6 Crossing technique for
“ extracting ' a chromosome from a male Drosophila melanogaster and making it
...
Pagina 114
Hybrid sterility can have a chromosomal or a genic basis , although the
distinction sometimes breaks down . Gross differences in chromosome structure ,
such as multiple translocations , commonly cause sterility because many or most
of the ...
Hybrid sterility can have a chromosomal or a genic basis , although the
distinction sometimes breaks down . Gross differences in chromosome structure ,
such as multiple translocations , commonly cause sterility because many or most
of the ...
Pagina 467
but in other cases each of the subfamilies is found on each of several
chromosomes ( Dover 1982 ) . Both unequal crossing over and gene conversion
contribute to concerted evolution . For example , the nucleotide sequence is
homogeneous ...
but in other cases each of the subfamilies is found on each of several
chromosomes ( Dover 1982 ) . Both unequal crossing over and gene conversion
contribute to concerted evolution . For example , the nucleotide sequence is
homogeneous ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
ADAPTATION AND ENVIRONMENT | 19 |
COMPLEX INTERACTIONS AMONG SPECIES | 34 |
Copyright | |
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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