I knew a bio teacher who actively bred fruit flies in a terrarium, while under UV light, which caused mutations. Then he would cull all the non-mutated flies, so that the mutants would cross breed.
After generations of this he got some truly bizarre specimens, which he would photograph under magnification.
Drosophila melanogaster only has 8 chromosomes.
...Drosophila melanogaster only has 8 chromosomes....
Same as a Democrat.................