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Ethnically diverse Jewish and non - Jewish 185delAG * BRCA1 mutation carriers and their relatives were genotyped using 15 microsatellite markers and three SNPs spanning 12 . 5 MB , encompassing the BRCA1 gene locus .
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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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