Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG10954AE0036667227Arc-p34   
CG10954NM_1361897227p34    Arpc2    38C.47    ARC-P34    ARPC2/p34   
CG10954NT_0337797227p34    Arpc2    38C.47    ARC-P34    ARPC2/p34   

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

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Text2Knowledge ... Yong Huang 2002