FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Aberration: Dmel\Df(1)GA90
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General Information
Symbol
Df(1)GA90
Species
D. melanogaster
Name
FlyBase ID
FBab0000404
Feature type
chromosomal_deletion
Also Known As
Df(1)GA-90
Computed Breakpoints include

20C;h26-h32

Features within 20C--h32
Sequence coordinates
Member of large scale dataset(s)
Nature of Aberration
Cytological Order
Progenitor
Mutagen
X ray
(Rahman and Lindsley, 1981)
Class of aberration (relative to wild type)
chromosomal_deletion
(FlyBase, 2007)
Class of aberration (relative to progenitor)
chromosomal_deletion
Breakpoints
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data

l(1)20Cb << bk1 << sph << bb << bk2 << l(1)carot3

Genetic mapping information
Comments
Comments on Cytology

Complementation with stnA and l(1)20Ca not tested.

(Rahman and Lindsley, 1981)

Left limit of break 1 from non-inclusion of l(1)20Cb (FBrf0042290) Right limit of break 1 from polytene analysis (citation unavailable) Left limit of break 2 from inclusion of ABO-X (FBrf0076047) Right limit of break 2 from polytene analysis (citation unavailable)

Sequence Crossreferences
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
Gene Deletion and Duplication Data
Genes Deleted / Disrupted
Genes NOT Deleted / Disrupted
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 (0)
    If no genes are listed here, it may be because the affected region is very large. The JBrowse insert above may show an error for the same reason, and other FlyBase tools such as CytoSearch may also fail for large regions. You can contact FlyBase for more help.
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    Phenotypic Data
    In combination with other aberrations

    Fertile when in combination with Dp(1;Y)BarSYy+, weakly fertile in combination with Dp(1;Y)y+mal126 and sterile in combination with Dp(1;Y)mal+.

    (Rahman and Lindsley, 1981)

    Heterozygotes with Dp(1;Y)BarSYy+ are fertile, weakly fertile with Dp(1;Y)y+mal126 and sterile with Dp(1;Y)y+mal+.

    (Rahman and Lindsley, 1980)
    NOT in combination with other aberrations

    Causes inviability or low viability in hybrid females when heterozygous with D.simulans chromosome.

    (Coyne et al., 1998)
    Stocks (2)
    Notes on Origin
    Discoverer

    Lefevre.

     
    Balancer / Genotype Variants of the Aberration
     
    Separable Components
     
    Other Comments
     
    Synonyms and Secondary IDs (3)
    Reported As
    Symbol Synonym
    Df(1)GA-90
    (Robbins, 1999, Nurminsky et al., 1994, Rahman and Lindsley, 1980)
    Df(1)GA90
    GA-90
    (Rahman and Lindsley, 1981)
    Name Synonyms
    Secondary FlyBase IDs
      References (9)