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General Information
D. melanogaster
Deficiency (2L) black
FlyBase ID
Feature type
Computed Breakpoints include
Deleted Segment
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
l(2)34Db << bk1 << Sos << Adh << bk2
Genetic mapping information
Comments on Cytology
Left limit of break 1 from polytene analysis (FBrf0098381) Right limit of break 1 from inclusion of Sos (FBrf0092813) Left limit of break 2 from inclusion of Adhr (FBrf0092813)
Sequence Crossreferences
DNA sequence
Protein sequence
Gene Deletion and Duplication Data
Genes Deleted / Disrupted
Complementation Data
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
Phenotypic Data
In combination with other aberrations
NOT in combination with other aberrations
Stocks (0)
Notes on Origin
Induced in: a mature sperm.
Balancer / Genotype Variants of the Aberration
Separable Components
Other Comments
"irradiation" was stated as tentative. "spontaneous" was stated as tentative.
Reported to delete Adhr in error; see FBrf0141768 for correction.
Synonyms and Secondary IDs (7)
Reported As
Name Synonyms
Deficiency (2L) black
Secondary FlyBase IDs
  • FBab0001720
  • FBab0022206
References (12)