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十种蚱蜢(直翅目:蚱科)的C-异染色质模式

C-heterochromatin pattern of ten species of tetrigids (Tetrigidae, Orthoptera).

作者信息

Warchałowska-Sliwa Elzbieta, Maryańska-Nadachowska Anna, Michailova Paraskeva V, Tchobanov Dragan

机构信息

Department of Experimental Zoology, Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Sławkowska 17, 31-016 Kraków, Poland.

出版信息

Folia Biol (Krakow). 2003;51(1-2):47-53.

Abstract

The karyotypes of species belonging to the Tetrigidae is characterised by structural conservatism. The standard chromosome set of T. japonica, T. simulans, T. bolivari, P. meridionalis, U. depressus, and F. robustus consists of 2n = 13 acrocentric chromosomes in males and 2n = 14 in females, with a sex determining mechanism of X0 male and XX female. C-bands distribution often species belonging to 4 genera were studied. Differences in the position of C-bands and number of chiasma between species are discussed.

摘要

蚱蜢科物种的核型以结构保守为特征。日本蚱、拟日本蚱、博氏蚱、南方帕蚱、凹缘蚱和粗壮突眼蚱的标准染色体组由雄性2n = 13条近端着丝粒染色体和雌性2n = 14条组成,其性别决定机制为雄性X0、雌性XX。研究了4个属中常见物种的C带分布。讨论了不同物种之间C带位置和交叉数目的差异。

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