Sternbergia fischeriana-A Structural Heterozygote

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概要

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• Sternbergia fischeriana, a spring flowering bulbous annual, is the only species of the genus cultivated in Kashmir. Somatic complement of this species consists of 4 submedian and 18 subterminal chromosomes. The karyotype resembles that of S. lutea, an autumn flowering species worked out by Battaglia (1949).Though the species is heterozygous for three interchanges and a paracentric inversion, it has not as yet developed a balanced lethal system to maintain this heterozygosity. Vegetative reproduction, however, comes to its rescue and enables it not only to overcome the bottleneck of total sterility but also to conserve hybridity.

• 財団法人 日本メンデル協会の論文

財団法人 日本メンデル協会 | 論文

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