a.)select and state your null hypothesis for each class.
b.) Using your null hypotheses, calculate the chi-square
statistics, degrees of freedom, and p values for each. Show all of
your computations for both ratio possibilities
c.)Make a conclusion as to which type of epistatic interaction
is occurring using precise language based on your statistical
results
d.)Based on your statistical analysis, create gene and allele
symbols that best explain the observed phenotypes
1) You are examining two cat Eelus catus traits: long fur and shaggy fur. You cross shaggy-furred cats with long-furred cats. All F1 offspring show the long fur trait. You cross the Fi generation cats together to yield the F generation, which consists of 675 cats in the following phenotypic categories: long fur, shaggy fur, and a new trait, baldness. Long fur 369 Shaggy fur 185 Baldness 121 You suspect that there are two genes underlying these traits and that each gene has two alleles. You also suspect that an epistatic interaction between the genes explains the Fa phenotypic ratios. You know that there are at least two types of interactions that can yield ratios of three phenotypic classes: 9:4:3 or 9:6:1 Using the chi-square statistic, set up a null hypothesis for both phenotypic ratio possibilities, and determine, which if any, of these explanations best fit the data. (35 points total)
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