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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Genetic conflicts and speciation
 Kropáčková, Lucie ; Reifová, Radka (advisor) ; Munclinger, Pavel (referee)
In this thesis I'll examine the role of genetic conflicts in the origin of new species. Genetic conflicts can lead to an origin of reproductive barrier between the emerging species, especially postzygotic reproductive isolation. An example of such conflict could be meiotic drive on sex chromosomes, which distort sex ratio and seems to act a role in a hybrid male sterility. Another example may be genomic imprinting causing an abnormal placenta and embryo development in interspecies hybrids. Coevolution between cytoplasmic and nuclear genes can cause sterility of pollen in hybrids from plants. Similarly, the intracellular bacterium Wolbachia induces cytoplasmic incompatibility in animals. Mobilization of transposons may also lead to hybrid dysgenesis.
Detailed record
Genetic conflicts and speciation
 Kropáčková, Lucie ; Munclinger, Pavel (referee) ; Reifová, Radka (advisor)
In this thesis I'll examine the role of genetic conflicts in the origin of new species. Genetic conflicts can lead to an origin of reproductive barrier between the emerging species, especially postzygotic reproductive isolation. An example of such conflict could be meiotic drive on sex chromosomes, which distort sex ratio and seems to act a role in a hybrid male sterility. Another example may be genomic imprinting causing an abnormal placenta and embryo development in interspecies hybrids. Coevolution between cytoplasmic and nuclear genes can cause sterility of pollen in hybrids from plants. Similarly, the intracellular bacterium Wolbachia induces cytoplasmic incompatibility in animals. Mobilization of transposons may also lead to hybrid dysgenesis.
Detailed record

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