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Wild-type Drosophila flies are _____  to ethanol supplied in food.

(a) resistant

(b) non-resistant

(c) resistant at low concentration and non-resistant at higher concentration

(d) resistant at higher concentrations and non-resistant at lower concentration

This question was posed to me in my homework.

The doubt is from Drosophila in section Using Other Organisms of Genetic Engineering

1 Answer

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Best answer
The correct answer is (a) resistant

The best I can explain: The wild type flies are resistant to ethanol supplied in the food. This property can be exploited as a selectable marker and which is in the form of alcohol dehydrogenase gene.

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