Question

Explain what happened genetically in the insect population over time as the insects were exposed to pyrethroids. A) The toxicity of pyrethroids weakened over time. B) The allele for pyrethroid resistance increased throughout the population. C) Pyrethroid resistance became the dominant allele in the insect populations. D) Most insects had the allele for pyrethroid resistance, but it remained masked.

Answer 1

Answer is B)

Step-by-step explanation:

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Answer 2

Answer:B

Step-by-step explanation: