719
Eight recombinant DNA clones of endogenous murine leukemia virus ( MuLV ) - related DNA sequences have been isolated from a lambdaphage genomic library of Balb / c mouse DNA .
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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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