Which two statements describe disadvantages of selective breeding? A. Desirable traits that are not selected may disappear in a population B. Selectively bred animals are more likely to have some health problems C. Some desirable traits become more common in a population. D. Selectively bred animals are more likely to provide more meat or milk.

B and C

Explanation:

Selective breeding is a procedure that involves the purposeful breeding of selected parents in order to give rise to offsprings with desired traits. Selective breeding procedure has its own advantages, which includes the ability to produce more animal products such as milk, meat etc, however, it has disadvantages.

The disadvantages include that:

- Selectively bred animals are more likely to have some health problem

- Some desirable traits become more common in a population.