FB2026_03 , released September 17, 2026
Balancer/Genotype variant: Dmel\Basc
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General Information
Symbol
Dmel\Basc
Species
D. melanogaster
FlyBase ID
FBba0000014
Short Genotype
Basc
Parent Aberration
In(1)Basc
(Cook, 2018.3.21, Rice et al., 2015, FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Lindsley and Zimm, 1992, Blount, 1982, Lindsley and Grell, 1968, Spencer and Stern, 1948)
Parent Cytology
1Lt-1B3 | 20F-11A1 | 6F-10F10 | 6F-1B3 | 20F-1Rt
(Bloomington Drosophila Stock Center, 2026.6.26)
Progenitor
Described as Balancer
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Lindsley and Zimm, 1992, Spencer and Stern, 1948)
Carries Alleles
Bar1   wa  
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Spencer and Stern, 1948)
Bar1   wa  
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Spencer and Stern, 1948)
Bar1   wa  
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Spencer and Stern, 1948)
Bar1  
(Lindsley and Zimm, 1992)
Transposon Insertions
Discoverer
Stocks (10)
Other Information

Nopa33b is a natural variant found in In(1)sc8 and X chromosome balancers carrying that inversion, including Basc, FM1, FM7a and FM7c.

(Rice et al., 2015)
Synonyms and Secondary IDs (5)
Reported As
Symbol Synonym
Basc
(Rice et al., 2015, FlyBase Curators, 2006-, Blount, 1982)
M5
(Lindsley and Zimm, 1992)
Muller 5
(Lindsley and Zimm, 1992)
Muller-5
(Spencer and Stern, 1948)
Name Synonyms
Bar-apricot-scute
Secondary FlyBase IDs
    References (12)