| 海门白山羊染色体核型研究及C-带分析 |
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| 引用本文： | 房兴堂,陈 宏,游余群. 海门白山羊染色体核型研究及C-带分析[J]. 西北农林科技大学学报(自然科学版), 2005, 33(5): 19-22 |
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| 作者姓名： | 房兴堂 陈 宏 游余群 |
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| 作者单位： | 1. 徐州师范大学,生命科学学院,江苏,徐州,221116
2. 徐州师范大学,生命科学学院,江苏,徐州,221116;西北农林科技大学,动物科技学院,陕西,杨凌,712100 |
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| 基金项目： | 江苏省教育厅自然科学研究基金项目(03KJD230216)，徐州师范大学重点资助课题(02AXW011) |
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| 摘 要： | 采用外周血淋巴细胞培养及染色体分带技术,分析了海门白山羊的染色体核型与C-带。结果表明,海门白山羊二倍体染色体数为2n=60,常染色体和X染色体均为端部着丝粒染色体,X染色体的大小介于1号和2号染色体之间,Y染色体最小,为中部着丝粒染色体,公羊核型为60,XY,母羊为60,XX。大部分常染色体和X,Y染色体着丝粒部位显示阳性C-带,但不同染色体的阳性C-带区域大小不同。
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| 关 键 词： | 海门白山羊 染色体 核型 C-带 |
| 文章编号： | 1671-9387(2005)05-0019-04 |
| 收稿时间： | 2004-07-21 |
| 修稿时间： | 2004-07-21 |
Study on the karyotype and C-banding of chromosome in Haimen White goat |
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| FANG Xing-tang,CHEN Hong,YOU Yu-qun,MAO Xiao-qin,FENG Zhao-Jun. Study on the karyotype and C-banding of chromosome in Haimen White goat[J]. Journal of Northwest A&F University（Natural Science Edition）, 2005, 33(5): 19-22 |
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| Authors: | FANG Xing-tang CHEN Hong YOU Yu-qun MAO Xiao-qin FENG Zhao-Jun |
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| Affiliation: | FANG Xing tang 1,CHEN Hong 1,2,YOU Yu qun 1,MAO Xiao qin 1,FENG Zhao jun 1 |
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| Abstract: | The karyotype and C banding of Haimen White goat breed were investigated with the peripheral blood lymphocyte culture and chromosome banding techniques.The results showed that the diploid chromosome number of Haimen White goat breed was 2 n =60.The autosomes and the X chromosome were telocentric chromosomes.The size of X chromosome was between No.1 and No.2 chromosomes.The Y chromosome was the smallest metacentric chromosome.The karyotype of buck was 60,XY and the karyotype of ewe was 60,XX.C bands of most autosomal and X chromosome,Y chromosome were exclusively centromerically located,but the size of C banded region was different among different chromosomes. |
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| Keywords: | Haimen White goat chromosome karyotype C banding |
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