anonymous
  • anonymous
The data table below illustrates the change that occurred in the frequency of phenotypes in an insect population over five years. What is the most probable explanation for this change over time? Phenotype (genotype) Year 1 | Year 5 Dark Brown (BB and Bb) 2500 | 900 Light Brown (bb) 300 | 3100 A) The adaptive value of allele b increased. B) The adaptive value of allele b decreased. C) The population of this insect species increased. D) The population of this insect species decreased.
Biology
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
@Luigi0210 @dan815 please help

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anonymous
  • anonymous
I think the answer is A) The adaptive allele B is increased
Abhisar
  • Abhisar
What do you think it should be?
anonymous
  • anonymous
I think it is A
Abhisar
  • Abhisar
Yes, that's correct. This is a perfect case when population of dark moths increased after industrial revolution because darker moths were able to adapt much better than lighter ones in pretext of polluted darker background.
anonymous
  • anonymous
Alright, thank you so much for all your help!! @Abhisar

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