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General Information
D. melanogaster
Deficiency (2L) no-ocelli
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)
Class of aberration (relative to progenitor)
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data

rk << bk1 << l(2)34Fa << Adh << bk2 << mol

Genetic mapping information

Breakpoint(s) molecularly mapped

Adh deficient by molecular criteria (Karp) Proximal DNA breakpoint between +11.8 and +13.7 kb (Chia, Karp, McGill, and Ashburner, 1985, J. Mol. Biol. 186: 689-706)

Comments on Cytology

Left limit of break 1 from polytene analysis (FBrf0051930) Right limit of break 1 from inclusion of l(2)34Fa (FBrf0091422) Left limit of break 2 from inclusion of Adh (FBrf0087599) Right limit of break 2 from polytene analysis (FBrf0051930)

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

Suppression z phenotype. Chromosome acts as a weak trans-suppressor of a physical interaction between tandemly duplicated copies of w+, an interaction that is required for the suppression of genes by z1.

Df(2L)noc20/osp- flies have extreme Curly wings

Stocks (2)
Notes on Origin



on In(2LR)O, Cy dplvI AdhnB pr cn2.

Balancer / Genotype Variants of the Aberration
Separable Components
Other Comments

Reported to delete Adhr in error; see FBrf0141768 for correction.

Synonyms and Secondary IDs (2)
Reported As
Symbol Synonym
Name Synonyms
Deficiency (2L) no-ocelli
Secondary FlyBase IDs
    References (9)