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Asian Journal of Cell Biology > Abstract |
Asian Journal of Cell Biology
Year: 2008 | Volume: 3 | Issue: 2 | Page No.: 67-71
DOI: 10.3923/ajcb.2008.67.71
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| Karyotype of Amphibians in Saudi Arabia. 3. The Karyotype of Bufo regularis |
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A.H. Al-Shehri
and A.A. Al-Saleh
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Abstract:
The karyotype of the maculated toad Bufo regularis
is consist of 20 chromosomes. These chromosomes are nine pairs of metacentric
and one pairs of submetacentric chromosomes. According to the size the
metacentric chromosomes, are of three types, chromosomes 1-4 large, chromosomes
5-6 medium and chromosomes 7-9 small size, while the submetacentric chromosomes
are small size. The third pair of this karyotype has a secondary constriction
on the short arms of both male and female chromosomes. The fundamental
number of this species is 40. |
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