Robertsonian translocation,pericentric inversion and heterochromatin block in the evolution of the Tailless Fruit Bat |
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Authors: | H S Yong |
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Institution: | (1) Department of Genetics and Cellular Biology, University of Malaya, 22-11 Kuala Lumpur, Malaysia |
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Abstract: | Summary The karyotype ofMegaerops ecaudatus from Peninsular Malaysia consists of 24 chromosomes as compared to 2n=26 for specimens from Thailand. The difference in diploid number is the result of Robertsonian translocation. The Peninsular Malaysian specimens also exhibit pericentric inversion in the smallest pair of autosomes, and the presence of a totally heterochromatic short arm in the second longest metacentric pair. There is 1 pair of Ag-NOR, located on the secondary constriction of the longest metacentric autosome.This work is supported by a University of Malaya research grant. |
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