FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Aberration: Dmel\Dp(2;Y)H2
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General Information
Symbol
Dp(2;Y)H2
Species
D. melanogaster
Name
FlyBase ID
FBab0003534
Feature type
interchromosomal_duplication
Computed Breakpoints include

38B2;39E3

Features within 39E3--40F
Sequence coordinates
Member of large scale dataset(s)
Nature of Aberration
Cytological Order

Y | 36B5 - 38B2 | 39E3 - 40F | Y

Progenitor
Dp(2;Y)G
(Hodgetts, 1980)
Mutagen
gamma ray
(Hodgetts, 1980)
Class of aberration (relative to wild type)
interchromosomal_duplication
Class of aberration (relative to progenitor)
chromosomal_deletion
(Hodgetts, 1980)
Breakpoints

38B2-38C1;39E2-39E3

(Hodgetts, 1980)

38B;39E

(McKee et al., 1993)
Causes alleles
Carries alleles
Transposon Insertions
Formalized genetic data

Ddc << bk1 << pr << bk2

Genetic mapping information
Comments
Comments on Cytology

Left limit of break 1 from polytene analysis (FBrf0034464) Right limit of break 1 from polytene analysis (citation unavailable) Left limit of break 2 from polytene analysis (citation unavailable) Right limit of break 2 from polytene analysis (FBrf0034464)

Sequence Crossreferences
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
Gene Deletion and Duplication Data
Genes Deleted / Disrupted
Complementation Data
Completely deleted / disrupted
pr
(Hodgetts, 1980)
Partially deleted / disrupted
Molecular Data
Completely deleted
Partially deleted
Genes NOT Deleted / Disrupted
Complementation Data
 
Ddc
(Hodgetts, 1980)
hook
(Hodgetts, 1980)
lt
(Hodgetts, 1980)
rdo
(Hodgetts, 1980)
Molecular Data
 
Genes Duplicated
Complementation Data
Completely duplicated
tsh
(Soanes and Bell, 1999)
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
    NOT in combination with other aberrations

    Y-fertility is unaffected.

    (Hodgetts, 1980)

    Y fertility not affected.

    Stocks (2)
    Notes on Origin
    Discoverer
     
    Balancer / Genotype Variants of the Aberration
     
    Separable Components
     
    Other Comments
     

    Elevated frequencies of prophase associations between second and Y chromosomes occur in proportion to the region of homology between the second and Y chromosomes. Transposition heterozygotes exhibit preferential Y-2 segregation, also in proportion to the region of homology between the second and Y chromosomes. Thus males have a general homology pairing system despite their lack of recombination.

    (McKee et al., 1993)
    Synonyms and Secondary IDs (2)
    Reported As
    Symbol Synonym
    Dp(2;Y)H2
    (O'Farrell et al., 2008)
    Tp(2;Y)G-H2
    Name Synonyms
    Secondary FlyBase IDs
      References (5)