Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fb06g12BC0532647955zgc:64124    drg1   
fb06g12NM_2000387955zgc:64124    drg1   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002