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亚洲苦草与刺苦草的染色体数目和核型
梁维政;
华南师范大学生物系 广州 510631
摘要:
本文以亚洲苦草和刺苦草根尖为实验材料,对其染色体数目及核型进行了研究,结果表明,两个种均为2n=20,同属Stebbins的不对称核型,亚洲苦草为“3B”,刺苦草为“2B”。核型公式分别为:K(2n)=20=2m+12sm+6st,K(2n)=20=2M+2m+14sm+2st。
关键词:  苦草属  亚洲苦草和刺苦草  染色体数目  核型  
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