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Classical and molecular cytogenetic studies in some cattle breeds

Author(s): L. Iannuzzi | L. Molteni | A. Perucatti | G.P. Di Meo | A. De Giovanni | D. Incarnato | L. De Lorenzi | G. Succi

Journal: Italian Journal of Animal Science
ISSN 1594-4077

Volume: 4;
Issue: 2s;
Start page: 37;
Date: 2010;
Original page

Keywords: cytogenetics | chromosomal abnormality | FISH | banding | hypofertility

Numerical autosome aberrations have a few importance in the animal breeding since the carriers show generally abnormal body conformation. For this reason, these abnormalities are systematically eliminated from the animal population by the breeders during the animal breeding. Numerical sex chromosome abnormalities are more tolerate by species, since genes are present in single copy (one of two X-chromosome is genetically inactive), and the carriers show usually normal body conformation. For this reason these abnormalities escape the normal breeding selection.
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