What does natural selection primarily act on?

If you have a weak correlation between two traits, what should you expect?

What is the underlying principle in genetic selection?

How can heritability and repeatability be improved?

What is the difference between the permanent and temporary environment?

What can parents pass on to their offspring?

What is the generation interval in a closed population?

What is the goal of direct selection in breeding?

What are two genetic reasons for inbreeding in a population?

What does accuracy measure in genetic selection?