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General Information
D. melanogaster
FlyBase ID
Feature type
Computed Breakpoints include
Sequence coordinates
Member of large scale dataset(s)
Nature of Aberration
Cytological Order
Class of aberration (relative to wild type)
Class of aberration (relative to progenitor)
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data

bk1 << kl-5 << bk2

Genetic mapping information
Comments on Cytology

Left limit of break 1 from polytene analysis (FBrf0104798) Right limit of break 1 from inclusion of kl-5 (FBrf0104798) Limits of break 2 from polytene analysis (FBrf0104798)

Sequence Crossreferences
DNA sequence
Protein sequence
Gene Deletion and Duplication Data
Genes Deleted / Disrupted
Complementation Data
Completely deleted / disrupted
Partially deleted / disrupted
Molecular Data
Completely deleted
Partially deleted
Genes NOT Deleted / Disrupted
Complementation Data
Molecular Data
Genes Duplicated
Complementation Data
Completely duplicated
Partially duplicated
Molecular Data
Completely duplicated
Partially duplicated
Genes NOT Duplicated
Complementation Data
Molecular Data
Affected Genes Inferred by Location
    Phenotypic Data
    In combination with other aberrations

    Male sterile in combination with Ts(1Lt;YSt)V24, Ts(1Lt;YSt)W27, Ts(1Lt;YSt)E15 or Ts(1Lt;YSt)F12. Male fertile in combination with Ts(1Lt;YLt)V8 or Ts(1Lt;YLt)W19.

    NOT in combination with other aberrations

    Df(YL)77 testes show degradation in the basal testicular region. Sperm are absent from the seminal vesicles.

    Stocks (0)
    Notes on Origin
    Balancer / Genotype Variants of the Aberration
    Separable Components
    Other Comments
    Synonyms and Secondary IDs (2)
    Reported As
    Symbol Synonym
    Name Synonyms
    Secondary FlyBase IDs
      References (2)