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A Cytogenetical Study on Two Ground Spider Species (Gnaphosidae: Drassodes) from Nevşehir District

A Cytogenetical Study on Two Ground Spider Species (Gnaphosidae: Drassodes) from Nevşehir District

Zübeyde Kumbıçak1,* and Hatice Poyraz2

1Department of Molecular Biology and Genetics, Faculty of Art and Science, University of Nevşehir Hacı Bektaş Veli, Nevşehir, Turkey
2Department of Biology, Institute of Science, University of Nevşehir Hacı Bektaş Veli, Nevşehir, Turkey

*      Corresponding author: zkumbicak@nevsehir.edu.tr

 

Fig. 1.

Karyotypes of male Drassodes species from mitotic metaphases; 2n♂=22 (X1X20). A, Drassodes bifidus; B, Drassodes serratichelis. Bars=10 µm.

Fig. 2.

Meiotic stages of Drassodes bifidus: A, diplotene; B, diakinesis; C, anaphase I - Drassodes serratichelis; D, pacyhtene; E, diplotene; F, anaphase II (black arrows indicate sex vesicle or sex chromosomes. Black arrowhead indicates chiasma with two chiasmata, white arrowhead indicates ring bivalent and asteriks indicate nuclei with 2n=12 chromosomes). Bar=10 µm.

Pakistan Journal of Zoology

April

Vol. 52, Iss. 2, Pages 425-824

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