A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Balancer/Genotype variant TM3

General Information
Symbol Dmel\TM3 Species D. melanogaster
FlyBase ID FBba0000047
Short genotype
TM3
Parent aberration
Parent Cytology
3Lt - 65E | 85E - 79E | 100C - 100F2 | 92D1 - 85E | 65E - 71C | 94D - 93A | 76C - 71C | 94F - 100C | 79E - 76C | 93A - 92E1 | 100F3 - 3Rt
 
Progenitor
Described as Balancer
Alleles
Transposon Insertions
Discoverer
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Description
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FB2013_03
Stocks
FB2013_02
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Kyoto
101639
101640
101635
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Many TM3 chromosomes are no longer y+ as reported in FBrf0066905.
Transmission rate of Dp(1;f)J21A through females to progeny is 28%, FM7c balancer chromosome has no effect on transmission.
With normal X and 2, all of chromosome 3 is effectively balanced; however, in the presence of FM6 and SM5, crossing over between y+ and kni (i.e., 61A2-65E) is appreciable. Not es according to Craymer (FBrf0063385). Some TM3 stocks have lost y+ (Shearn, FBrf0034377).
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hide Recent research papers ( 1 )
Sun et al., 2012, G3 (Bethesda) 2(5): 551--553
Simplified insertion of transgenes onto balancer chromosomes via Recombinase-Mediated Cassette Exchange. [FBrf0218264]