FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term primary sex determination ID (Ontology) GO:0007538 (Gene Ontology)
Definition The sex determination process that results in the initial specification of sexual status of an individual organism.
Comment
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_BIOLOGICAL_PROCESS       4
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 Genes
 primary sex determination (all annotations which use CV term, excluding "NOT" statements)       4
     involved_in | primary sex determination       4
Spanning Tree (Parents/Children)
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developmental process involved in reproduction
 |__sex determination___________________
multicellular organismal process        |
 |__multicellular organism development__|
anatomical structure development        |
 |__multicellular organism development__|
                                        primary sex determination  21 rec.
                                         |__primary sex determination, germ-line 13 rec.
                                         |   |__female germ-line sex determination 6 rec.
                                         |   |__male germ-line sex determination 7 rec.
                                         |   |__sex determination, somatic-gonadal interaction
                                         |__primary sex determination, soma 11 rec.
                                             |__sex determination, establishment of X:A ratio 5 rec.
                                             |__sex determination, primary response to X:A ratio 3 rec.
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Is a sex determination
Part of multicellular organism development
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