Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
fc88a12BC0493037955wu:fc88a12    fc68b07    wu:fc68b07    rpn1   
fc88a12NM_1979347955fc68b07    wu:fc68b07    wu:fc88a12    rpn1   

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

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Text2Knowledge ... Yong Huang 2002