Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GmnnNM_02056710090Gem   
GMNNBC0051859606Gem   
GMNNBC0053899606Gem   
GMNNAY4170159606
GMNNAY4170169598
GMNNAY41701710090
GmnnNT_03957810090
GmnnBC02006110090Gem    Geminin   
GMNNNT_0075929606
GMNNNM_0158959606Gem   

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

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Text2Knowledge ... Yong Huang 2002