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Drosophila Melanogaster Lab Notes

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Notes on Drosophila The fruit fly or vinegar fly Drosophila melanogaster is by far the most commonly used laboratory material for genetic studies. It is almost ideal from a genetic standpoint because of the following reasons: 1. short life cycle – a new generation is produced in 10-14 days at room temperature 2. produces a fairly large number of offsprings 3. easy to grow and maintain in the laboratory – can be raised on a variety of simple culture media 4. convenient to handle and store due to small size 5. has small number of chromosomes (4 pairs) making analysis of crosses rather easy 6. great variability in inherited characteristics 7. availability of literature A. Preparation of Food Media A number of culture media have been developed, some of which are described below. A cheap and easy to prepare food medium consists of over-ripe bananas and dry yeast. The “latundan” variet ...
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