Author:
Armstrong K. C.,Keller W. A.
Abstract
Analysis of chromosome pairing in microspore-derived haploids of broccoli, Brassica oleracea L. var. italica (2n = 18) cvs. Bravo and Green Mountain, revealed a maximum chromosome pairing at MI of 4 I + 1 II + 1 III. These data disagree with the hypothesis that diploid B. oleracea is tetrasomic for three linkage groups but indicate that it could be tetrasomic for one and hexasomic for another. It is suggested that the aneuploid series in Brassica could also be derived from a combination of modified tertiary and compensating trisomics.
Publisher
Canadian Science Publishing
Subject
Cell Biology,Plant Science,Genetics
Cited by
58 articles.
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