FB2026_03 , released September 17, 2026
Balancer/Genotype variant: Dmel\FM1
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General Information
Symbol
Dmel\FM1
Species
D. melanogaster
FlyBase ID
FBba0000011
Short Genotype
FM1
Parent Aberration
In(1)FM1
(Miller et al., 2019, Merriam, 2017, Rice et al., 2015, FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Lindsley and Zimm, 1992)
Parent Cytology
1Lt-1B2 | 20F-11F4 | 4E1-11F2 | 4D7-1B3 | 20F-1Rt
(Bloomington Drosophila Stock Center, 2026.6.26)
Progenitor
Described as Balancer
(Miller et al., 2019, Merriam, 2017, FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Lindsley and Zimm, 1992)
Carries Alleles
Bar1   lzs   wa   y31d  
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Lindsley and Zimm, 1992)
Bar1   lzs   wa   y31d  
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, Lindsley and Zimm, 1992)
Bar1   lzs   wa   y31d  
(FlyBase Curators, 2006-, Bloomington Drosophila Stock Center, 1998.5.16, 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 (2)
Reported As
Symbol Synonym
FM1
(Miller et al., 2019, Merriam, 2017, Rice et al., 2015, FlyBase Curators, 2006-)
Name Synonyms
First Multiple 1
(Merriam, 2017)
Secondary FlyBase IDs
    References (9)