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Ploidy Level versus DNA Ploidy Level: An Appeal for Consistent Terminology

Jan Suda, Anna Krahulcová, Pavel Trávnícek and František Krahulec
Taxon
Vol. 55, No. 2 (May, 2006), pp. 447-450
DOI: 10.2307/25065591
Stable URL: http://www.jstor.org/stable/25065591
Page Count: 4
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Ploidy Level versus DNA Ploidy Level: An Appeal for Consistent Terminology
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Abstract

There is an ever-increasing amount of cytogenetic data in plant sciences obtained by cytometric techniques, particularly flow cytometry. However, as these methods determine nuclear DNA amount irrespective of the number of chromosomes, a discrepancy between cytometric and karyological data may occur. To avoid potential bias, we appeal for consistency, distinguishing between the terms "ploidy / aneuploidy" referring to chromosome numbers and "DNA ploidy / DNA aneuploidy" to nuclear DNA content.

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