Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG9916NM_0786427227Cpy1    cyp1    CyP-1   
CG9916AE0035017227Cyp1   
CG9916NC_0043547227Cpy1    cyp1    CyP-1   
CG9916NM_0786427227Cpy1    cyp1    CyP-1   

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

Google

Text2Knowledge ... Yong Huang 2002