Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GTF2A2NM_0044929606TFIIA   
Gtf2a2NW_04779910116
GTF2A2BC0002879606TFIIA    TF2A2   
GTF2A2BC0019199606TFIIA    TF2A2    HsT18745   
GTF2A2U141939606
GTF2A2AY4161789606
GTF2A2AY4161799598
GTF2A2AY41618010090
Gtf2a2BC0487051009012kDa    TfIIg   
Gtf2a2NM_1991511009012kDa    TfIIg   
GTF2A2NT_0101949606
Gtf2a2NM_05334510116

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

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Text2Knowledge ... Yong Huang 2002