11478
Using population genetics and approximate Bayesian computation approaches , we inferred male and female effective population sizes , sex - specific migration , and admixture rates in 23 Central African Pygmy and non - Pygmy populations , genotyped for autosomal , X - linked , Y - linked , and mitochondrial markers .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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