Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
knottedNM_0800747227Kn    Col    Knot    CG10197    Collier   
knottedNM_1660707227Kn    Col    Knot    CG10197    Collier   
knottedNM_0800747227Kn    Col    CG10197    collier   
knottedNT_0337787227Kn    Col    CG10197    collier   

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

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Text2Knowledge ... Yong Huang 2002