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Alleles of Chaser, a dominant modifier of the Drosophila melanogaster foraging gene, are consistent with variegating alleles of the heterochromatic gene spookier.

Genetics - 3 Sept 2025

Coulthard Alistair B, Yuditskiy Richard, Molnar Alexander R, Ramazan Qaim Ali, Sokolowski Marla B, Hilliker Arthur J

Abstract excerpt

The relationship between genes and quantitative behavioral traits involves complex regulatory networks. Identifying genes that operate in these regulatory pathways can be challenging, especially when dealing with dominant genetic factors. Our work has focused on a naturally occurring behavioral polymorphism in larval foraging behavior in Drosophila melanogaster. This polymorphism in larval foraging behavior...

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PMID: 40570000
DOI: 10.1093/genetics/iyaf123
PMCID: PMC12406005

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