Researchers studied the blood types of indigenous populations in the Andes. They used a two-allele typing system (M and N alleles) and discovered that the frequency of the M allele was 0.8 and the frequency of the N allele was 0.2. What are the expected frequencies of the 3 genotypes under Hardy-Weinberg equilibrium

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.