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Mitotic and meiotic chromosomes of a southern Brazilian population of Boophilus microplus (Acari, Ixodidae)

Author(s): Garcia Rosane Nunes | Garcia-Fernandez Casemiro | Garcia Sonia Maria Lauer | Valente Vera Lúcia S.

Journal: Iheringia. Série Zoologia
ISSN 0073-4721

Volume: 92;
Issue: 1;
Start page: 51;
Date: 2002;
Original page

Keywords: Arachnida | Acari | chromosomes | C-banding | Boophilus

Using conventional staining with acetic orcein and C-banding techniques it was investigated constitutive heterochromatin chromosomal polymorphisms and the mitotic and the meiotic behavior of male and female chromosomes of Boophilus microplus (Canestrini, 1887). Some differences were detected in the population of southern Brazil as compared to the data of other authors for populations in other latitudes. The differences being mainly concerned with the distribution of constitutive centromeric heterochromatin and variation in the length of heterochromatic blocks in the pericentromeric regions of some chromosome pairs.

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