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Analyses focused on two platyrrhine ( New World monkey ) species : the common marmoset ( Callithrix jacchus ) and the brown capuchin monkey ( Cebus apella ) , each of which has paired , non - allelic gamma loci ( 5 ' - gamma 1 - gamma 2 - 3 ' ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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