FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term temperature conditional hypomorphic allele ID (Ontology) FBcv:0000751 (FlyBase CV)
Definition An allele that, at some temperatures but not others, makes a gene product that is functionally equivalent to wild-type but in a lesser amount or with lowered activity.[ FlyBase:FBrf0002371 FlyBase:FBrf0049147 ]
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  ALLELE_CLASS       4
Alleles (FBal)  PROMOTED_CLASS       3
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 Alleles
 temperature conditional hypomorphic allele (all annotations which use CV term, excluding "NOT" statements)       4
Spanning Tree (Parents/Children)
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loss of function allele
 |__hypomorphic allele_______________________________
 |__temperature conditional loss of function allele__|
                                                     temperature conditional hypomorphic allele  62 rec.
                                                      |__cold sensitive hypomorphic allele 7 rec.
                                                      |   |__cold sensitive hypomorphic allele - genetic evidence 6 rec.
                                                      |   |__cold sensitive hypomorphic allele - molecular evidence 1 rec.
                                                      |__heat sensitive hypomorphic allele 50 rec.
                                                      |   |__heat sensitive hypomorphic allele - genetic evidence 49 rec.
                                                      |   |__heat sensitive hypomorphic allele - molecular evidence 1 rec.
                                                      |__temperature conditional hypomorphic allele - genetic evidence 56 rec.
                                                      |   |__cold sensitive hypomorphic allele - genetic evidence 6 rec.
                                                      |   |__heat sensitive hypomorphic allele - genetic evidence 49 rec.
                                                      |__temperature conditional hypomorphic allele - molecular evidence 2 rec.
                                                          |__cold sensitive hypomorphic allele - molecular evidence 1 rec.
                                                          |__heat sensitive hypomorphic allele - molecular evidence 1 rec.
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Is a hypomorphic allele
temperature conditional loss of function allele
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