Your Query returns 4 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CDK1/CDC2NG_0002167227cdc    CDC2    CDK1    CDCDm    Dcdc2    CG5363    DmCdc2    DmCdk1    cdc2Dm    CT17042    Dm cdc2    group 4    l(2)31Eh    Cdc2 kinase   
CDK1/CDC2NM_0574497227cdc    CDC2    CDK1    CDCDm    Dcdc2    CG5363    DmCdc2    DmCdk1    cdc2Dm    l(2)31Eh   
CDK1/CDC2NT_0337797227cdc    CDC2    CDK1    CDCDm    Dcdc2    CG5363    DmCdc2    DmCdk1    cdc2Dm    l(2)31Eh   
cdk1/cdc2L265479913

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

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Text2Knowledge ... Yong Huang 2002