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We have also mapped two highly homologous processed pseudogenes , UBE3AP1 and UBE3AP2 , to chromosomes 2 and 21 , respectively , and determined their genomic organization .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
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