Problem

Imagine that the dog breeder in Question 6 were to pick just the five pairs of parents wit...

Imagine that the dog breeder in Question 6 were to pick just the five pairs of parents with the highest midparent values and use them as breeders for the next generation of dogs.

a. Calculate the selection differential and the selection gradient the breeder has imposed on her population.

b. Use your estimate of the heritability from Question 6 and the selection differential you just calculated to predict the response to selection. What is the predicted average running speed of the dogs in the next generation?

c. How does your predicted speed of the next generation compare to the actual average running speed of offspring of the fastest five families? Discuss.

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Solutions For Problems in Chapter 9