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Table 3 Analysis of the molecular variance within and among the S. bovis populations using cox1 and microsatellite data. The sum of squares is the sum of squared differences of each observation from the mean. Variance component estimates the contribution of the source of the variation to the variance

From: Population genetic structure of Schistosoma bovis in Cameroon

Genetic marker df Sum of squares Variance components Percentage of variation
cox1 analysis
 Among population 3 2.599 0.01147 2.36
 Among animals within population 18 10.904 0.04276 8.81
 Within animals 69 29.750 0.43116 88.83
 Total 90 43.253 0.48538  
Microsatellite analysis
 Among populations 3 20.779 0.00239 0.05
 Among animals within population 18 12.239 0.09253 1.86
 Within animals 408 1987.705 4.87182 98.09
 Total 429 2128.723 4.96674  
  1. Abbreviation: df degrees of freedom