Which statement describes a positive effect of selective breeding?

A. Selective breeding can result in a decrease in the genetic diversity of a population.
B. Animals bred by selective breeding are more likely to have some health problems.
C. Animals bred by selective breeding are more likely to have traits that are useful to people.
D. Selective breeding can make some undesirable traits more common in a population.

The statement 'animals bred by selective breeding are more likely to have traits that are useful to people' BEST describes a positive effect of selective breeding (Option C).

Selective breeding refers to the process of choosing parents with particular characteristics to cross them in order to produce offspring with desirable phenotypic features.

In animals, selective breeding enabled the obtention of animals with more meat (or higher crop yields in plants).

Selective breeding is carried out by humans (it is a type of artificial selection).

In conclusion, the statement 'animals bred by selective breeding are more likely to have traits that are useful to people' BEST describes a positive effect of selective breeding (Option C).

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