四斑巨螯蛛(Dyschiriognotha quadrimaculata)的核型分析  

KARYOTYPE ANALYSIS OF DYSCHIRIOGNOTHA QUADRIMACULATA

作　　者：曾庆韬[1] 黄红[1] 严冰[1] 刘凤想[1] 陈建[1] 

机构地区：[1]湖北大学生命科学学院,武汉430062

出　　处：《蛛形学报》1998年第2期139-141,共3页Acta Arachnologica Sinica

摘　　要：报道四斑巨螯蛛的染色体数目,形态特征和性染色体组成,结果表明:四斑巨螯蛛的染色体数目是:雌性2n=26;雄性2n=24,性别决定机制是X_1X_2O型,这种蜘蛛的染色体小,常规制片显示出自然带纹。In the present paper chromosomal number, chromosomal character and sex-chromosome components of Dychiriagnotha quadrimaculata are reported. Chromosomal number of somatic cell of D. quadrimaculata is 26 for female and 24 for male. Sex-determimation mechanism is X1X2O type. Chromosomes of this spider species are small and naturaly banded.

关 键 词：四斑巨螯蛛 核型 性别决定 自然带纹 

分 类 号：Q959.226[生物学—动物学] Q953