In a Population of Pigs, the Average Body Weight Is

question 32

Multiple Choice

In a population of pigs, the average body weight is 178 kg. Suppose you select the 15 largest pigs, whose average body weight is 205 kg, and interbreed them. The average body weight of the offspring of the selected pigs is 191 kg. If you were to select pigs that have an average weight of 240 kg, what would be the predicted weight of the progeny produced by the selected pigs?

• A) 30
• B) 62
• C) 115
• D) 208
• E) 270

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Definitions:

Biologically Primed

The concept that certain behaviors or responses are innately predisposed due to evolutionary history.

Acquired Fears

Fears that are developed after birth as a result of personal experiences or learning, rather than being innate.

Behavior Modification

A therapeutic approach that seeks to change undesirable behaviors through the use of reinforcement and punishment.

Conditioning Techniques

Methods used in behavioral psychology to teach or modify behaviors through the use of rewards or punishments.