Coloured SEM of a mutant fruit fly Drosophila sp

Coloured SEM of a mutant fruit fly Drosophila sp

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Caption: Ectopic eye in mutant fruit fly. Coloured scanning electron micrograph of the head of a mutant fruit fly Drosophila melanogaster with a small ectopic eye in place of an antenna (lower centre). The ectopic eye consists of a number of perfectly formed eye facets. The mutation was produced by inducing expression of a gene called eyeless in parts of the developing fly's body that would not normally express the gene. (The gene is so-called because mutations in it produce flies with no eyes.) Eyeless is thought to act as a master control gene early on in developmental pathways. Approximate magnification: x100 at 6x7cm size. x340 at 10x7"

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Keywords: animal, drosophila, drosophila mutant, ectopic, ectopic eye, extra eye, eye, fruit fly, insect, insecta, invertebrate, invertebrates, mutant, mutant drosophila, mutation, nature, wildlife, zoology

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