In corn, purple kernels (P) are dominant over yellow kernels (p) and round kernels (R) are dominant to wrinkled kernels (r). In a cross of PpRr (purple, round) with a pprr (yellow, wrinkled) plant, the following progeny were observed: Phenotype Observed Expected (O-E) (O-E)2/E Purple, Round 117 Yellow, Round 126 Purple, Wrinkled 130 Yellow, Wrinkled 127 Total=500 Fill out the expected values in the chart above and calculate the Chi-Square value for your table, look up the p value associated with the Chi-Square. How many degrees of freedom are there in the cross? What is the Chi-Square value? What is the p-value for this cross and what does your value mean? Explain the p-value clearly.
In corn, purple kernels (P) are dominant over yellow kernels (p) and round kernels (R) are dominant to wrinkled kernels (r). In a cross of PpRr (purple, round) with a pprr (yellow, wrinkled) plant, the following progeny were observed: Phenotype Observed Expected (O-E) (O-E)2/E Purple, Round 117 Yellow, Round 126 Purple, Wrinkled 130 Yellow, Wrinkled 127 Total=500 Fill out the expected values in the chart above and calculate the Chi-Square value for your table, look up the p value associated with the Chi-Square. How many degrees of freedom are there in the cross? What is the Chi-Square value? What is the p-value for this cross and what does your value mean? Explain the p-value clearly.
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter20: Chromosomes And Human Genetics
Section: Chapter Questions
Problem 7CT: The following pedigree shows the pattern of inheritance of red-green color blindness in a family....
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In corn, purple kernels (P) are dominant over yellow kernels (p) and round kernels (R) are dominant to wrinkled kernels (r).
In a cross of PpRr (purple, round) with a pprr (yellow, wrinkled) plant, the following progeny were observed:
|
Observed |
Expected |
(O-E) |
(O-E)2/E |
Purple, Round |
117 |
|
|
|
Yellow, Round |
126 |
|
|
|
Purple, Wrinkled |
130 |
|
|
|
Yellow, Wrinkled |
127 |
|
|
|
|
Total=500 |
|
|
|
Fill out the expected values in the chart above and calculate the Chi-Square value for your table, look up the p value associated with the Chi-Square.
- How many degrees of freedom are there in the cross?
- What is the Chi-Square value?
- What is the p-value for this cross and what does your value mean? Explain the p-value clearly.
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