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Furthermore , coalescent - based analyses that excluded loci produced overlapping species - tree posterior distributions , suggesting that no particular locus - including mtDNA - disproportionately contributed to our species - tree estimates .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None