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Q4.9. The allele for black noses in wolves is dominant over the allele for brown noses. There is no known selective advantage for one nose color over another in wolves. If this remains true, which of the following statements is most likely true about the change in wolf nose colors over many generations?

A. Black noses will become more common than they are now.
B. Black noses will stay about the same frequency as now.
C. Black noses will become less common than they are now.
D. Brown noses will disappear after enough generations pass.

Answer :

Final answer:

If there is no selective advantage, black noses will become more common over many generations.


Explanation:

In this case, the allele for black noses is dominant over the allele for brown noses, and there is no known selective advantage for one nose color over another in wolves. If this continues to be the case, black noses will become more common than they are now. This is because the dominant allele for black noses will be passed on more frequently to the next generations, increasing its frequency in the population over time.


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