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<dc:title xml:lang="en"><![CDATA[B chromosome system in populations of Oryzomys flavescens (Rodentia, Cricetidae) from southern Brazil]]></dc:title>
<dc:title xml:lang="pl"><![CDATA[B chromosome system in populations of Oryzomys flavescens (Rodentia, Cricetidae) from southern Brazil]]></dc:title>
<dc:creator><![CDATA[Sbalqueiro, I. J.]]></dc:creator>
<dc:creator><![CDATA[Mattevi, M. S.]]></dc:creator>
<dc:creator><![CDATA[Oliveira, L. F. B.]]></dc:creator>
<dc:creator><![CDATA[Solano, M. J. V.]]></dc:creator>
<dc:subject xml:lang="en"><![CDATA[B chromosomes variation]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[Brazil]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[Oryzomys flavescens]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[population]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[Brazylia]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[gryzonie]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[B chromosomes variation]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[Brazil]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[Oryzomys flavescens]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[population]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[Brazylia]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[gryzonie]]></dc:subject>
<dc:description xml:lang="en"><![CDATA[Chromosome studies on 49 specimens collected from 11 Brazilian populations of the rodent species Oryzomys flavescens (Waterhouse, 1837) disclosed 2n=64 in 25 individuals, 2n=65 in 9, 2n=66 in 12, and 2n=64/65 mosaics in 3. This chromosome variation was due to the occurence of one or two extra small heterochromatic acrocentrics, interpreted as B chromosomes. Comparisons made between our data and those previously reported for O. flavescens from Uruguay and Argentina, O. fornesi from Paraguay, and Oryzomys sp. from São Paulo, Brazil, revealed that these taxa share similar karyotypes, suggesting they belong to a single cytotaxonomic group.]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[Chromosome studies on 49 specimens collected from 11 Brazilian populations of the rodent species Oryzomys flavescens (Waterhouse, 1837) disclosed 2n=64 in 25 individuals, 2n=65 in 9, 2n=66 in 12, and 2n=64/65 mosaics in 3. This chromosome variation was due to the occurence of one or two extra small heterochromatic acrocentrics, interpreted as B chromosomes. Comparisons made between our data and those previously reported for O. flavescens from Uruguay and Argentina, O. fornesi from Paraguay, and Oryzomys sp. from São Paulo, Brazil, revealed that these taxa share similar karyotypes, suggesting they belong to a single cytotaxonomic group.]]></dc:description>
<dc:date><![CDATA[1991]]></dc:date>
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<dc:identifier><![CDATA[https://rcin.org.pl/ibs/dlibra/publication/27800/edition/11751/content]]></dc:identifier>
<dc:identifier><![CDATA[oai:rcin.org.pl:11751]]></dc:identifier>
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<dc:language><![CDATA[eng ; Sum. eng.]]></dc:language>
<dc:language><![CDATA[eng ; Streszcz. ang.]]></dc:language>
<dc:relation><![CDATA[Acta Theriologica]]></dc:relation>
<dc:relation><![CDATA[oai:rcin.org.pl:publication:27800]]></dc:relation>
<dc:rights xml:lang="en"><![CDATA[Rights Reserved - Free Access]]></dc:rights>
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