Use the figure and the following description to answer the…
Use the figure and the following description to answer the question. In a particular plant, leaf color is controlled by gene locus D. Plants with at least one allele D have dark green leaves, and plants with the homozygous recessive dd genotype have light green leaves. A true-breeding, dark-leaved plant is crossed with a light-leaved one, and the F1 offspring is allowed to self-pollinate. The predicted outcome of the F1 cross is diagrammed in the Punnett square shown in the figure, where 1, 2, 3, and 4 represent the genotypes corresponding to each box within the square. Which of the boxes marked 1-4 correspond to plants that will be true-breeding?
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The next three questions refer to the following information. Safelite is a windshield repair company. If your windshield breaks, they send a technician to fix your windshield. Safelight used to pay its technicians a fixed hourly wage of $25/hour, regardless of the number of windshields they fixed. However they thought their technicians would work harder if they were instead paid $50 per windshield replaced. This is called a piece rate contract. Safelite wanted to test this idea, but the union would not let them change everyone’s pay. So to test their idea, they ran experiment where workers were randomly assigned to a control group or a treatment group. For the control group, there was no change to pay. For the treatment group, workers could choose whether they wanted the fixed hourly wage contract or the piece rate contract.
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