Final answer:
Thomas Hunt Morgan chose fruit flies for genetic studies due to their short life cycle, easy propagation, and amenability to crossing.
Explanation:
Thomas Hunt Morgan chose fruit flies (Drosophila melanogaster) for genetic studies due to several advantages:
- Short life cycle: Fruit flies have a rapid life cycle of forty to fifty days, allowing for quick genetic observations.
- Easy propagation: They can be easily bred within milk bottles and produce a large number of offspring, facilitating genetic studies.
- Amenable to crossing: Fruit flies are simple to mate and cross, making it easier to study genetic inheritance patterns.
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