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[1]高建民,张秋金.游蛇科4种的核型比较[J].应用与环境生物学报,1996,2(03):280-283.
 Gao Jianmin,Zhang Qiujin.COMPARATIVE STUDY ON THE KARYOTYPES OF FOUR SPECIES IN COLUBRIDAE[J].Chinese Journal of Applied & Environmental Biology,1996,2(03):280-283.
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游蛇科4种的核型比较()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
2卷
期数:
1996年03期
页码:
280-283
栏目:
论文
出版日期:
1996-08-25

文章信息/Info

Title:
COMPARATIVE STUDY ON THE KARYOTYPES OF FOUR SPECIES IN COLUBRIDAE
作者:
高建民 张秋金
福建师范大学生物学系发育生物学研究室 福州 350007
Author(s):
Gao Jianmin Zhang Qiujin
Department of Biology, Fujian Normal University, Fuzhou 350007
关键词:
草游蛇渔游蛇乌游蛇赤链蛇核型
Keywords:
Natrix stolataN.piscatorN.percarinata percarinataDinodon rufozonatumkaryotype
摘要:
以骨髓细胞直接制备染色体标本,分析了游蛇属(Naotrix)3种和链蛇属(Dinodon)1种蛇的核型。草游蛇(N.stolata)2n=36,18(15M+1ST+2T)·18m(♀).渔游蛇(N.Piscator)2n=40,16(10M+1SM+3ST+2T)·24m(♀).乌游蛇(N.p.percarinata)2n=40,18(8M十2SM+8T)·22m(♂).赤链蛇(D.rufozonatum)2n=46,20(1M+3SM+16T)·26m(♀).草游蛇和渔游蛇的Nos,赤链蛇的No3为ZZ/ZW型性染色体。草游蛇Z染色体为M型,W染色体为ST型;渔游蛇Z为SM型,W也是ST型;赤链蛇Z为M型,W为SM型。三者Z均略大于W.草游蛇和渔游蛇No4长臂末端有时可见随体。对游蛇属、链蛇属以及游蛇亚科(Colubrinae)已知各属种的核型进行了比较和讨论。
Abstract:
The karyotypes of four species in Colubridae from Fuzhou were studied by using the method of directly prepering chromosome with marrow cells, and they were found as: Natrrix stolata had 2n= 36, 18 (15M+1ST + 2T)’ 18m(♀);N.piscator 2n= 40, 16(10M+ 1SM+3ST+2T)·24m(♀) ;N.percarinata percarinata 2n= 40, 18 (8M + 2SM+ 8T)·22m (♂ )and Dinodon rufozonatum 2n =46, 20 (1M+ 3SM+ 16T)·26m (♀).Sexual dimorphism of the chromosomes was represented by No 5 (N.stolata and N.piscator)or NO.3 (D.rufozonatum) with the ZZ/ZW mechanism,showing female heterogamety.The Z was metacentric, while the W subtelocentric in N.stolata.In N.piscator the Z was submetacentric,while the W subtelocentric too.In D.rufozonatum the Z was also metacentric,while the W submetacentric.All Z was longer than W.The karyotypes of NatrixDinodon and other known genera in Colubrinae were also comparatively studied in this paper.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:1995-11-9;接受日期:1995-1-25。
更新日期/Last Update: 1900-01-01