Drosophila targeted gene expression technique

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An experimental system that allows the selective activation of a chosen regulatory gene in a variety of tissues and organs during Drosophila development. For example, the technique allowed the activation of eyeless (q.v.), a gene that specifies the differentiation of eye tissues in ectopic imaginal discs (q.v.). The result was extra eyes developing on antennae, legs, and wings.

Subjects: Genetics and Genomics.

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