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 (purple, round) plant, the following progeny were observed: PhenotypeObservedExpected(O-E)(O-E)2/EPurple, Round288 Yellow, Round90 Purple, Wrinkled95 Yellow, Wrinkled27 Total=500 a. What is the expected ratio for PpRr X PpRr plant? You can use a punnett square to find the expected ratio. 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. b. How many degrees of freedom do you have in this cross? c. What is your Chi-Square value? d. What is the p value for this cross

Name: in corn, purple kernels (P) are dominant over yellow kernels (p) and r
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Description: 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 (purple, round) plant, the following progeny were observed: PhenotypeObserve

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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

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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 (purple, round) plant, the following progeny were observed:

Phenotype	Observed	Expected	(O-E)	(O-E)²/E
Purple, Round	288
Yellow, Round	90
Purple, Wrinkled	95
Yellow, Wrinkled	27
	Total=500

a. What is the expected ratio for PpRr X PpRr plant? You can use a punnett square to find the expected ratio. 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.

b. How many degrees of freedom do you have in this cross?

c. What is your Chi-Square value?

d. What is the p value for this cross

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