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BIO 161 Extra Credit- Family Pedigree Project - Jun 2014




Question;Bio 161 June 2014 Extra Credit- Family Pedigree Project (up to 25 points) Due at the beginning of the final. For this project you will examine an autosomal or sex-linked trait and write a report explaining how it is passed in your family. Please follow these instructions: 1- The trait you chose must be Mendelian and you must have variation in your family. Your choices are: hitchhiker?s thumb, attached earlobe, cleft chin, crossing thumbs, tongue rolling, widow?s peak, Rh+ factor. 2- Write a typed introduction explaining why you chose this trait and how you collected the data (5 points) 3- Use standard symbols for the construction of the pedigree and identify yourself in it (5 points). 4- You must collect at least 3 generations (5 points). If you do not have access to three generations, you can predict one generation- what your parents or children would look like. You cannot predict more than one generation. If you are predicting future generations and do not have a spouse, make that person a homozygous recessive. Offspring should be two boys and two girls. 5- Write the genotype of each individual and if some can have more than one genotype, explain all possibilities (10 points).Example of a pedigree showing four generations. Note that generations are not labeled and genotype and phenotype are not explained.


Paper#62995 | Written in 18-Jul-2015

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