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Haplotypes that contained the common variants , g . - 81G > delGA ( rs60515630 ) ( minor allele frequency 11 . 5 % in African American ) and g . - 2G > A ( rs555754 ) ( minor allele frequency > 30 % in all ethnic groups ) showed significant increases in luciferase reporter activities and exhibited stronger transcription factor - binding affinity than the haplotypes that contained the major alleles .
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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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