Drosophila melanogaster

Within a few years of the rediscovery of Mendel's rules in 1900, Drosophila melanogaster (the so-called fruit fly) became a favorite "model" organism for genetics research.

Some of the reasons for its popularity: More recently, Drosophila has proven in other ways to have been a happy choice.
Chromosomes of Drosophila melanogaster as they appear at metaphase of mitosis. Both sexes have three homologous pairs of autosomes. In addition, the females have two X chromosomes (left), and the males have an X and a Y chromosome (right); these are the sex chromosomes.
Follow these links to examples of things that Drosophila has taught us.
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26 April 2023