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What are the two main differences between mitosis and meiosis? (4 points)

4. Answer the following questions:

a. Define the term crossing over. (2 points)

b. Explain why crossing over is important in meiosis. (3 points)

     3.  What are the two base pairings within DNA? (2 points)

    2. State the four bases that makeup DNA. (4 points)

1. Why are spindle fibers important for mitosis? (5 points

     (Application) How might the information gained from this lab pertaining to the scientific method be useful to you, or how can you apply this knowledge to your everyday life as a non-scientist? The application will be graded according to the rubric below. (20 points)

~~8. List three things that one can do to protect oneself from contamination/injury in the laboratory. (6 points)

a. What is the composition of the biological spill solution (be specific)? (2 points)

~~6. Design a (hypothetical) experiment that adheres to the Scientific Method. Be sure to include all the necessary requirements at each step and give examples at all of the steps. Start with an observation, whether it's real or made up, state the null hypothesis, and design an experiment (including an experimental and control group, random sampling, minimum sample size, and reproducibility) that will allow the student to reject or fail to reject the hypothesis, and state hypothetical results and the appropriate conclusion to draw from those results. (** 20 points)

~~5. What is the purpose of the control group in the Scientific Method? Briefly explain and use examples. (5 points)