Question

What is an example of how humans used selective breeding historically?

Options

• Development of Sahiwal cows with desirable traits

• Elimination of all variation in livestock

• Creation of new species through random breeding

• Development of wild lions from domesticated cats

Answer 1

Humans used selective breeding to develop desirable traits, exemplified by the development of Sahiwal cows. This demonstrates practical application of understanding variation to improve domesticated animals for specific characteristics like milk production or hardy traits.