Why Do the Alleles That Confer Insecticide Resistance in Mosquitoes

question 15

Multiple Choice

Why do the alleles that confer insecticide resistance in mosquitoes become less frequent in the population when insecticide application is disconintued?

• A)The mosquiotes experienced a bottle neck effect
• B)The alleles were linked to a color variation that allowed for the mosquitoes that were resistant to have a higher rate of predation.
• C)The population experienced genetic drift
• D)The alleles for resistance had a negative fitness cost.

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Definitions:

Population

The total number of individuals or organisms residing within a particular area or habitat.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, driving evolution.

Fruit Flies

Small flies belonging to the family Drosophilidae, often used in genetic research due to their short life cycles and simple genetic makeup.

Generations

Groups of individuals, most often in a society, born and living about the same time, sharing similar cultural experiences or historical events.