. Use the data corresponding wit to estimate the fraction of features for which | log2(R/G)| > 1. If the standard errors of the intensities for twist (Exercise 7) are typical of the average feature,...

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Use the data corresponding wit to estimate the fraction

of features for which | log2(R/G)| > 1. If the standard errors of the

intensities for twist (Exercise 7) are typical of the average feature, is the estimated

fraction a good indicator of the number of genes whose expression

differs between mutant and wild-type flies?