珍稀鱼类——波纹唇鱼染色体制备及核型的初步研究-渔业科学进展.pdf

珍稀鱼类——波纹唇鱼染色体制备及核型的初步研究-渔业科学进展.pdf

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珍稀鱼类——波纹唇鱼染色体制备及核型的初步研究-渔业科学进展

—— 1 1 1 12 1* 3 1 1 266071 2 116023 3 266071 2n=48 2n=4M +10SM + 32ST +2T A preliminary study on chromosome preparation and karyotype of humphead wrasse Cheilinus undulatus 1 1 1 1,2 1* 3 ZHOU Li-qing YANG Ai-guo WU Biao CHENG peng YU Hong WANG Hua LEI 1 Ji-lin 1 ( Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071) 2 Dalian Fisheries University, 116023 (3 China Certification Inspcetion Group Shandong Co., Ltd., Qingdao 266071) ABSTRACT In order to protect the humphead wrasse Cheilinus undulatus (Ruppell, 1835, an endangered speciesthe metaphase chromosome preparations of the live fish and its karyotype were studied in this research. The metaphase chromosome was obtained from the fin and its healing hyperplastic tissue of one-year old fish, by hot air drying methods. The karyotypes were examined. The results showed that there were 48 chromosomes in diploid and their karyotype formulae was 2n=4M +10SM + 32ST +2T. Heterotypic sex chromosome was not found since the number of the tested fish was limited and all the young fish were physiologically female. KEY WORDS Humphead Wrasse Cheilinus undulatus Chromosome Fin Healing hyperplastic tissue Karyotype 8632006AA10A414 1974 -, , , Tel: 0532-5811982, E-mail: zhoulq@ * 1963-Tel:0532 E-mail:yuhongqd@ Cheilinus undulatus(Labridae)

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