the PER3 genotypes for a class of students as follows: H4/H4 = 125 individuals; H4/H5 = 90 individuals and H5/H5=85 individuals. Considering the Hardy Weinberg equilibrium and comparing the observed and the expected number of individuals for the three genotypes, calculate the value of the Chi-square statistic. Select only one answer.   1. 14.59   2. 0.05   3. 3.84   4. 28.67   5. 22.31   6. 45.43   7. 0.50

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