FB2026_03 , released September 17, 2026
Balancer/Genotype variant: Dmel\FM7c
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General Information
Symbol
Dmel\FM7c
Species
D. melanogaster
FlyBase ID
FBba0000009
Short Genotype
FM7c
Parent Aberration
In(1)FM7a
(Miller et al., 2020, Merriam, 2017, Miller et al., 2016, Rice et al., 2015, FlyBase Curators, 2006-)
Parent Cytology
1Lt-1B2 | 20F-20A | 15D-20A | 15D-11F4 | 4E1-11F2 | 4D7-1B3 | 20F-1Rt
(Bloomington Drosophila Stock Center, 2026.6.26)
Progenitor
FM7a
(FlyBase Curators, 2006-, Lindsley and Zimm, 1992)
Described as Balancer
(Miller et al., 2020, Merriam, 2017, Miller et al., 2016, FlyBase Curators, 2006-, Lindsley and Zimm, 1992)
Carries Alleles
Bar1   g4   sc8   snX2   vOf   wa   y31d  
(FlyBase Curators, 2006-)
g4   snX2   vOf  
(Lindsley and Zimm, 1992)
Transposon Insertions
Discoverer
Stocks (2,363)
Other Information

Female sterile.

(Lindsley and Zimm, 1992)

Transmission rate of Dp(1;f)J21A through females to progeny is 28%, FM7c balancer chromosome has no effect on transmission.

(Cook et al., 1997)

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 (1)
Reported As
Symbol Synonym
FM7c
(Merriam, 2017, Miller et al., 2016, Rice et al., 2015, FlyBase Curators, 2006-)
Name Synonyms
Secondary FlyBase IDs
    References (24)