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Q: Data set summarizes F2 numbers from a cross between two, true-breeding Drosophila strains (P generation), which differ with respect to two traits. The gene alleles can be dominant or recessive, and autosomal or X-linked. My data set is: Wild type, females: 306 Purple eyes, females: 91 Purple eyes, tan body, males: 43 Wild type, males: 148 purple eyes, males: 47 tan body, males: 156 Answer the following questions based on the data set: 1. Assign genetic symbols to the genes and alleles involved. 2. Produce one genetic hypothesis about the mode of inheritance of the genes from your data set. For example, the allele for yellow eyes is X-linked and recessive and the allele for long legs is autosomal dominant. Include the expected phenotypic ratios in the P, F1 and F2 generations. (Note, for analysis it will be simpler to treat each gene separately, and formulate a genetic hypothesis for each gene) 3. Illustrate your genetic hypothesis using a breeding diagram or a table in which the P, F1, and F2 generations and their phenotypes and genotypes are clearly indicated. Include the expected (predicted) phenotypic ratios for the P, F1, and F2 generations. 4. Analyze whether the data fits your hypothesis by the Chi-square test. (keep in mind that you have to come up with a genetic hypothesis that both makes sense and will not be rejected. In order to test your genetic hypothesis, you must formulate a null hypothesis. More than one hypothesis may work for a given data set, but you are only required to show one)
A analyzer discoveres that the correlation coefficient between the exposure to a dangerous chemical and the growth of a certain species of butterfly is -.40.
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Cell membranes have all of the following roles EXCEPT
The patient, at 10 weeks gestation, was admitted for severe dehydration due to hyperemesis gravidarum. The patient had glaucoma, and treatment with eye drops was continued during the patient's stay. She responded well to IV fluid hydration and a..
Consider the list of scientists that have been awarded a Nobel Price for their work in immunology which one would you consider being the most important work and why?
Determining genotypes in autosomal dominant pedigrees. From the list on the left hand of the picture are the choices for the blanks with arrrows.
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