The fixation of metacentric chromosomes during the chromosomal evolution in the common shrew (Sorex araneus, Insectivora)
Wyttenbach, A. and Hausser, J. (1996) The fixation of metacentric chromosomes during the chromosomal evolution in the common shrew (Sorex araneus, Insectivora). Hereditas, 125, (2-3), 209-217. (doi:10.1111/j.1601-5223.1996.00209.x).
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Rb fusions between acrocentric chromosomes leading to metacentrics tend to become fixed during the chromosomal evolution in the common shrew. Using microsatellite markers preliminary results show that populations are only slightly subdivided and genetic drift seems not to play an important role for the fixation of metacentrics. A significant segregation distortion in favour of metacentric chromosomes was found during male meiosis. This suggests that cytological factors such as facilitated fusion between acrocentric chromosomes or choice-effects at the level of gametes are more likely to play a role for the chromosomal evolution in the common shrew.
|Subjects:||Q Science > QH Natural history > QH301 Biology|
|Divisions:||University Structure - Pre August 2011 > School of Biological Sciences
|Date Deposited:||22 Aug 2008|
|Last Modified:||01 Jun 2011 07:07|
|Contributors:||Wyttenbach, A. (Author)
Hausser, J. (Author)
|Date:||1 January 1996|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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