Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Cyt-b5NG_0005157227Cytb    Cyt-b    Cytb5    TU36B    TU-36B    CG13279    CT32565    Cyt-b5-r   
Cyt-b5NM_0578067227Cytb    Cyt-b    Cytb5    TU36B    TU-36B    CG13279    Cyt-b5-r   
Cyt-b5NT_0337797227Cytb    Cyt-b    Cytb5    TU36B    TU-36B    CG13279    Cyt-b5-r   
Cyt-b5U124187244
Cyt-b5AE0038407227
Cyt-b5NM_13645072271857    CYTB5    CG2140    l(2)01857   
Cyt-b5NM_16554072271857    CYTB5    CG2140    l(2)01857   
Cyt-b5NT_03377872271857    CYTB5    CG2140    l(2)01857   

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

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Text2Knowledge ... Yong Huang 2002