12. When making your final decision you need to have analyzed a large number of pedigrees. Since genetics is based in probability the more data you have the less chance you will have random error that will effect your results. The LOD helps to measure the likely hood that your results are due to random error. The higher the LOD the better. Lab write up For the lab write up you only need to include the procedure, data and conclusion. For the procedure section you DO NOT have to tell me how to use the web site. You need to tell me how you went about locating the chromosomal location of your gene. For the data section you will include 2 example pedigrees that show how you determined the inheritance of your gene. You also need to include two example pedigrees for each probe analyzed that shows how you determined the recombinant offspring. Finally for the data section all the recombinational frequencies for the probes you analyzed. Remember all of these can be exported from the program. For the conclusion just tell me where the gene is and how you came up with the location. Include the chromosome map you printed out showing the location of your gene. For this lab you will be graded on whether or not you identify the correct location of your gene. The only way to get an A is to get the correct location of your gene and have a satisfactory lab write up. If your chromosomal location is wrong your paper will be returned and you will have one week to resubmit your paper with the correct answer. If this occurs the highest grade you can receive is a B. If your chromosomal location is still incorrect your paper will be returned and you will be back to the drawing board. Good Luck
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