Objective: Use the Chi Square test to determine whether you can reject a hypothesis about inheritance. 3. An RRYY yellow, round pea was crossed with a rryy green, wrinkled pea. All of the F1 peas were yellow and round. Two of the F1 peas (RrYy) were crossed to get the F2 generation shown below: 315 yellow, round 101 yellow, wrinkled 108 green, round 32 green, wrinkled A) How many degrees of freedom are there in the F2 generation? B) How many yellow, wrinkled peas would you expect from this cross? Write the calculation below. C) Calculate the expected for all of the phenotypic classes. Your null hypothesis is that your observed ratio is NOT DIFFERENT from the expected ratio. Phenotype Observed Expected (o-e)^2/e Yellow, round Yellow, wrinkled Green, round Green, wrinkled D) Calculate the Chi square value and fill it in the table E) Add the chi square values together. X²= F) What is the p value for this chi square statistic? Chi Square Values and Probability Degrees of Freedom 1 2 3 4 5 P = 0.99 0.000157 0.020 0.115 0.297 0.554 0.95 0.00393 0.103 0.352 0.711 1.145 0.80 0.0642 0.446 1.005 1.649 2.343 0.50 0.455 1.386 2.366 3.357 4.351 0.20 1.642 3.219 4.642 5.989 7.289 0.05 3.841 5.991 7.815 9.488 11.070 0.01 6.635 9.210 11.345 13.277 15.086
Objective: Use the Chi Square test to determine whether you can reject a hypothesis about inheritance. 3. An RRYY yellow, round pea was crossed with a rryy green, wrinkled pea. All of the F1 peas were yellow and round. Two of the F1 peas (RrYy) were crossed to get the F2 generation shown below: 315 yellow, round 101 yellow, wrinkled 108 green, round 32 green, wrinkled A) How many degrees of freedom are there in the F2 generation? B) How many yellow, wrinkled peas would you expect from this cross? Write the calculation below. C) Calculate the expected for all of the phenotypic classes. Your null hypothesis is that your observed ratio is NOT DIFFERENT from the expected ratio. Phenotype Observed Expected (o-e)^2/e Yellow, round Yellow, wrinkled Green, round Green, wrinkled D) Calculate the Chi square value and fill it in the table E) Add the chi square values together. X²= F) What is the p value for this chi square statistic? Chi Square Values and Probability Degrees of Freedom 1 2 3 4 5 P = 0.99 0.000157 0.020 0.115 0.297 0.554 0.95 0.00393 0.103 0.352 0.711 1.145 0.80 0.0642 0.446 1.005 1.649 2.343 0.50 0.455 1.386 2.366 3.357 4.351 0.20 1.642 3.219 4.642 5.989 7.289 0.05 3.841 5.991 7.815 9.488 11.070 0.01 6.635 9.210 11.345 13.277 15.086
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Probablity of producing round green pea is 3/16 and
Probablity of producing round yellow pea is 9/16.
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