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General Information
D. melanogaster
Duplication (2;2) of George Yannopoulos
FlyBase ID
Computed Breakpoints include


Sequence coordinates
Member of large scale dataset(s)
Nature of Aberration
Cytological Order
Class of aberration (relative to wild type)



Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data

salm << bk1 << esc << stc << bk2 << rd

Genetic mapping information

hobo insertion at distal breakpoint.

Mobile element hobo present at or near breakpoints of GYL derivatives (Hatzopoulou, 1987).

Comments on Cytology

Left limit of break 1 from polytene analysis (FBrf0038053) Right limit of break 1 from inclusion of esc (FBrf0047928) Left limit of break 2 from inclusion of ck (FBrf0038053) Right limit of break 2 from polytene analysis (FBrf0051973) Left limit of break 3 from polytene analysis (FBrf0038053) Right limit of break 3 from polytene analysis (FBrf0037137)

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
Genes NOT Duplicated
Affected Genes Inferred by Location
    Phenotypic Data
    In combination with other aberrations
    NOT in combination with other aberrations

    Chromosome has no effect on the physical interaction between tandemly duplicated copies of w+ and z1, despite having breakpoints within the critical region.

    Unstable rearrangement inducing a variety of spontaneous novel rearrangements

    Enhances H (Ashburner, 1982). Unstable, transposing and producing shorter derivatives. Homozygous viable.

    Stocks (0)
    Notes on Origin

    Recovered as apparent dp cn bw double recombinant from a test cross of a dysgenic male that was heterozygous for a maternally derived dp b cn bw second chromosome and a paternally derived autosome extracted from a natural population and capable of promoting male recombination.

    Balancer / Genotype Variants of the Aberration
    Separable Components
    Other Comments

    Aberration has no effect on z but has breakpoints within the z critical region.

    Synonyms and Secondary IDs (4)
    Reported As
    Symbol Synonym
    Name Synonyms
    Duplication (2;2) of George Yannopoulos
    Secondary FlyBase IDs
      References (16)