Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
M31NM_00762210090Cbx    MOD1    Cbx-rs2    Cbx1   
M31BC0026099606CBX    HP1-BETA    HP1Hs-beta    MOD1    CBX1   
M31BC0213029606CBX    HP1-BETA    HP1Hs-beta    MOD1    CBX1   
M31NM_0068079606CBX    MOD1    HP1-BETA    HP1Hs-beta    CBX1   
M31AY31815710090mM31m    MOR224-8    GA_x5J8B7TYSWQ-1232-567    GA_x6K02T2PVTD-33400306-33399371   
m31AJ4306404577
M31X9539910090

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

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Text2Knowledge ... Yong Huang 2002