Snow geese (Chen caerulescens) come in two color types, white “snows” and “blues” with dark bodies. A single gene controls coloration, where the dark (“blue”) allele (D) is dominant.   Another flock of geese is determined to have observed and expected numbers of individuals recorded in the table below.     Observed Expected DD 392 303.78 Dd 155 327.15 dd 172 88.08   Determine whether the flock is in Hardy-Weinberg equilibrium by performing a chi-square test. Show all of your work. Use the following table to determine the critical value to which you’ll compare your calculation of the chi-square statistic. Degrees of freedom P = 0.05 1 3.841 2 5.991 3 7.815

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Snow geese (Chen caerulescens) come in two color types, white “snows” and “blues” with dark bodies. A single gene controls coloration, where the dark (“blue”) allele (D) is dominant.
 
Another flock of geese is determined to have observed and expected numbers of individuals recorded in the table below.
 

  Observed Expected
DD 392 303.78
Dd 155 327.15
dd 172 88.08


 
Determine whether the flock is in Hardy-Weinberg equilibrium by performing a chi-square test. Show all of your work. Use the following table to determine the critical value to which you’ll compare your calculation of the chi-square statistic.

Degrees of freedom P = 0.05
1 3.841
2 5.991
3 7.815
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