Which of the following is a disadvantage of using artificial selection for many generations?

Using artificial selection over many generations can indeed lead to the unintentional passing along of undesirable traits alongside desirable ones. This happens because, while breeders often select for specific traits that are seen as advantageous or beneficial, the underlying genetic makeup can become limited or skewed toward certain characteristics.

As a result, when a desired trait is selected repeatedly, it can inadvertently enhance or retain other traits that may be harmful or less favorable. This can lead to a reduced genetic pool, increasing the risk of genetic disorders or health issues within the population. This phenomenon is often seen with domesticated animals and certain crop species, where traits like size or yield are prioritized at the expense of overall health and resilience.

While artificial selection can effectively enhance particular traits, it is essential to recognize the risks associated with it, particularly with regard to the broader genetic diversity and health of the species involved.