Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG33198NM_1762217227anon-AE003800.1    pen-2   
CG33198AE0038007227pen-2   
CG33198NM_1762217227Pen-2   
CG33198NT_0337787227Pen-2   

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

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Text2Knowledge ... Yong Huang 2002