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New cytogenetic information on Allium iranicum (Alliaceae) from Iran

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Abstract

Karyotype analysis and chromosome behaviour in tetraploid Allium iranicum is reported. The somatic karyotype 2n = 32, consists of 12 pairs of metacentric chromosomes, two pairs of submetacentric chromosomes and two pairs of submetacentric satellite chromosomes. Chromosome complement follows two sets of 16 pairs of homologous chromosomes. A detailed analysis of Pachytene, Diplotene and Metaphase I of meiosis in pollen mother cells in this taxon showed that the most common chromosome configurations were bivalents at all subphases mentioned. It is concluded that A. iranicum is most likely a natural allotetraploid and certainly differs from related species A. ampeloprasum, A. commutatum and A. porrum.

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  1. Institute of Biochemistry and Biophysics, University of Tehran, PO Box 13145-1384, Tehran, Iran

    Seyed Mahmood Ghaffari

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  1. Seyed Mahmood Ghaffari
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Ghaffari, S.M. New cytogenetic information on Allium iranicum (Alliaceae) from Iran. Biologia 61, 375–379 (2006). https://doi.org/10.2478/s11756-006-0067-z

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  • DOI: https://doi.org/10.2478/s11756-006-0067-z

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