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culture and sprayed on crops as an insecticide. How has genetic engineering eliminated the need to do this?A. engineered motility for the bacteria so they can move to the crops themselvesB. put the toxin gene into the plants themselves to make their own toxinC. engineered insects to be able to use Bacillus thuringienesisas a food sourceD. put the toxin gene into humans so that they are resistantFeedback: Feedback: CorrectQuestion 17 of 40The place where Darwin noticed finch and tortoise differences that helped him develop his theoryof evolution was ________?A. the Malay ArchipelagoB. the Galapagos IslandsC. AustraliaD. AfricaE. BrazilFeedback: Feedback: CorrectQuestion 18 of 40Which individuals in a population are most important in determining the numbers for the Hardy-
4/5/20, 3:06 PMAPUS CLE : BIOL133 C002 Sum 19 : Tests & QuizzesPage 7 of 152.5/ 2.5 Points2.5/ 2.5 Points2.5/ 2.5 PointsWeinberg principle since one can tell their genotype from their phenotype?A. homozygous recessiveB. mutatedC. heterozygousD. homozygous dominantE. fittestFeedback: Feedback: CorrectQuestion 19 of 40The web of life model and the ring of life model of phylogeny both rely on which mechanism?A. horizontal gene transferB. eukaryote-first hypothesisC. gene driftD. sexual selectionFeedback: Feedback: CorrectQuestion 20 of 40What is the Hardy-Weinberg principle useful for to geneticists?A. to assess how bad an allele is for an individualB. to predict when genetic drift will occurC. to determine when extinction will happenD. to what degree a population is evolving for a geneFeedback: Feedback: CorrectQuestion 21 of 40Which population would be more likely to be affected by genetic drift?
4/5/20, 3:06 PMAPUS CLE : BIOL133 C002 Sum 19 : Tests & QuizzesPage 8 of 152.5/ 2.5 Points2.5/ 2.5 Points0.0/ 2.5 PointsA. oak trees in CanadaB. snails on an island in the Mississippi RiverC. cats in New York CityD. mosquitoes in WisconsinFeedback: Feedback: CorrectQuestion 22 of 40In some organisms mating preference leads to males having characteristics much different from thefemales (like being larger or more colorful) which is termedA. sexual dimorphismB. sexual heterogeneityC. secondary matingD. mate inversionFeedback: Feedback: CorrectQuestion 23 of 40When performing gel electrophoresis, how is it possible to determine the size of the DNAfragments?A. calculate the force of the electric currentB. measure the distance moved with a rulerC. pour the gel with a certain pore size and densityD. compare to known standards also run on the gelFeedback: Feedback: CorrectQuestion 24 of 40A species of fly lives in a canyon. Some of the flies prefer the side that gets sunlight during the day,while others prefer the shade. Over time, they develop different mutations and start to mate with those that preferthe same conditions. What would this be due to?
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