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Which of the following would not be considered a repeated trait?

When repeatability for a trait is high, the better a single record is a good estimate of future records and producing ability.

Selection is more effective with lowly heritable traits.

All of the following are true concerning heritability EXCEPT

Reproductive traits, in general, are highly heritable, therefore if a sow had a small first litter, you would feel confident in assigning her a low breeding value for litter size.

Why is it important to group animals correctly into contemporary groups?

Genetic trends in populations track the mean breeding values over time which allow breeders to see genetic change.

We use statistics in animal breeding

If you split your calf crop into 2 groups, and one grazes stockpiled (ungrazed during growing season) pastures all winter, and the other grazes wheat pasture, is it appropriate to combine these two into one contemporary group when reporting their performance?

The main point of studying peppered moths is to provide us with an example of: