1. They are easy to raise. 2. Have many offspring during per mating. 3. It can fertilize itself. 4. It has varieties in genotype that is easy observable. 5. It has phenotype that is also easy observable.
1. They are easy to raise. 2. Have many offspring during per mating. 3. It can fertilize itself. 4. It has varieties in genotype that is easy observable. 5. It has phenotype that is also easy observable.
