Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG17251NM_1671897227CG12136    CG15372   
CG17251NC_0043547227p16    Pen16    CG12136    CG15372    anon-Pen16   
CG17251NM_1671897227p16    Pen16    CG12136    CG15372    anon-Pen16   

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

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Text2Knowledge ... Yong Huang 2002