Fruit flies were picked by Thomas Morgan, an early geneticist, because they are easy to breed in large numbers-and it helped that some of their cells have giant chromosomes which showed up well under the microscopes of the day.

果蝇是由早期的遗传学家托马斯·摩根挑选的，因为它们很容易大量繁殖，而且它们的一些细胞有巨大的染色体，在显微镜下很容易看到。