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Updated: Aug 11, 2026

Assessing Differences in Sperm Competitive Ability in Drosophila
Published on: August 22, 2013
[Allozyme differentiation of various chromosomal forms of the spotted suslik (Spermophilus suslicus Guld, 1770,
L V Frisman1, V P Korablev, E A Liapunova
1Institute of Biology and Soil Sciences, Russian Academy of Sciences, Vladivostok, Russia.
Abstract:
Eleven enzyme and four nonenzyme protein systems controlled by 25 loci were electrophoretically analyzed in the allopatric karyotypic forms (2n = 34 and 2n = 36) of the spotted souslik Spermophilus suslicus. Genetic variability and differentiation for the forms with different chromosome sets were estimated. Two discriminative loci (Alb and Tf) for the studied chromosome forms were found. The UPGMA dendrogram was constructed, which summarizes genetic (allozyme) relationships found for the forms of the spotted souslik with different chromosome sets. Subdividing the species into two karyotypic forms was shown to be followed by differentiating these forms at the allozyme level.
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