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Which of these factors make dairy cows a good choice for artificial selection? Select all that apply.

Group of answer choices

The amount of milk cows make is an inherited trait.

Many people want to drink milk or cook with milk.

The cows vary in the amount of milk they make.

The amount of milk cows make is affected by diet.

1 answer

In considering factors that make dairy cows a good choice for artificial selection, the following statements apply:

  1. The amount of milk cows make is an inherited trait. - This is a key factor, as traits that can be inherited are more likely to respond to artificial selection.

  2. The cows vary in the amount of milk they make. - Variation among individuals is essential for selection; without variation, there is nothing to select for or against.

The other two options do not directly pertain to the suitability for artificial selection:

  • Many people want to drink milk or cook with milk. - While this may drive demand, it is not a factor that influences the effectiveness of artificial selection.

  • The amount of milk cows make is affected by diet. - While diet can impact milk production, for artificial selection purposes, it's more advantageous to select for traits that are heritable and not heavily influenced by external factors like diet.

Therefore, the correct factors to select for are:

  • The amount of milk cows make is an inherited trait.
  • The cows vary in the amount of milk they make.