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APUS BIOL133 Exam 4- Chapters 16-20Question 1 of 402.5/ 2.5 PointsWhich individuals in a population are most important in determining the numbers for the Hardy-Weinberg principle since one can tell their genotype from their phenotype?A. mutatedB. fittestC. homozygous recessiveD. homozygous dominantE. heterozygousFeedback:CorrectQuestion 2 of 40
2.5/ 2.5 PointsGradual speciation is more likely to be associated with small changes building up in
APUS BIOL133 Exam 4- Chapters 16-20Feedback:CorrectQuestion 3 of 402.5/ 2.5 PointsThe accumulation of mutations in a population over generations leads to
APUS BIOL133 Exam 4- Chapters 16-20D. decreased variabilityFeedback:Correct!Question 4 of 402.5/ 2.5 PointsProteins that respond to environmental stimuli to prevent the binding of transcription factors are known as _________.Feedback:Learning Objective: Explain how enhancers and repressors regulate gene expressionQuestion 5 of 40
2.5/ 2.5 PointsWhat would be at the base of the evolutionary tree of life?
APUS BIOL133 Exam 4- Chapters 16-20A. primary ancestorB. universal ancestorC. divergent ancestorD. root ancestorFeedback:CorrectQuestion 6 of 402.5/ 2.5 PointsWhich population would be more likely to be affected by genetic drift?
APUS BIOL133 Exam 4- Chapters 16-20C. cats in New York CityD. oak trees in CanadaFeedback:CorrectQuestion 7 of 402.5/ 2.5 PointsA species that is well studied so that we can learn more about the way we work is call a ________.Feedback:CorrectQuestion 8 of 40
2.5/ 2.5 PointsTwo different species mate and produce a zygote. As it starts to develop, it dies due to the genetic
APUS BIOL133 Exam 4- Chapters 16-20differences. What would this be called?Feedback:CorrectQuestion 9 of 402.5/ 2.5 PointsCladistics is used to construct ________.A. molecular systematicsB. shared ancestral characteristics