Cytological identification of the genomes in pentaploidAllium neapolitanum using Giemsa C-banding期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Cytological identification of the genomes in pentaploidAllium neapolitanum using Giemsa C-banding

Authors:	Tim B. Bruhns

Affiliation:	(1) Institut za Biologijo, Akereva 12, YU-61000 Ljubljana, Slovenia, Yugoslavia;(2) Present address: Statewide Air Pollution Research Center, University of California, 92521 Riverside, CA, USA

Abstract:	Two homoeologous sets of chromosomes in pentaploidAllium neapolitanumCyr. (Liliaceae) are recognizable by their C-bands. The banding pattern is the same for one Californian and five Yugoslavian populations, suggesting a common chromosomal origin. Predominant meiotic association of identically banded homologues indicates a genomic formula of AA A_I BB, confirms an allopolyploid origin, and argues against genetically controlled pairing.

Keywords:	Liliaceae Allium neapolitanum Karyology Giemsa C-banding homoeologous chromosomes karyotype plant systematics polyploidy
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