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Allium fistulosum과 Allium ascalonicum 에서 헤테로크로마틴 分布에 의한 核型分析 Karyotypic Analyses Based on Heterochromatin Distribution in Allium fistulosum and Allium ascalonicum

Journal of Plant Biology 1975년 18권 3호 p.92 ~ 100
서봉보, 김종호,
소속 상세정보
서봉보 ( Seo Bong-Bo ) 
Kyungpook National University Department of Biology

김종호 ( Kim Jong-Ho ) 
Kyungpook National University Department of Biology

Abstract


The present study demonstrates karyotype based on H-patterns of A.fistulosum and A. ascalonicum using Giemsa technique. The results obtained in this study are summarized as follows: ⅰ). Karyotypic analysis of A.fistulosum is 6VⅡ+JⅡ^t+JⅡ and that of .A. ascalonicum collected from a local farm in the suberbs of Taegu city clearly heterozygous as 13V+J_1^t+J_2+ⅰ. ⅱ). The heterochromatin of both species is generally located distally in both arms of chromosomes and each chromosome type possesses some variations on H-patterns. ⅲ). The percentage of heterochromatin to total chromosome length in cell is about 14.6% in A. fistulosum, 12.8% in A. ascalonicum. The number of bands is revealed about 38 in A. fistulosum and 33 in A. ascalonicum. Also in the amounts of chromocenters per nucleus, the former is somewhat more than the latter.

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