Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
flailNM_01086410090Dbv    MVa    flr    Myo5    MyoVA    Sev-1    d-120J    dilute    Myo5a   
flailNM_01031310090GBS    flr    hug    Gbeta5    flailer    G beta 5    Gnb5   
flailBC01613510090GBS    hug    flailer    Gbeta5    G beta 5    Gnb5   
flailNM_13871910090GBS    flr    hug    Gbeta5    flailer    G beta 5    Gnb5   

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

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Text2Knowledge ... Yong Huang 2002