A, B and C are three linked genes, A and B are separated by 40cM and B and C are separated by 20 cM. A women with the genotype AbC/aBc marries a man with the genotype abc/abc. What is the probability of producing a child with the aBC phenotype assuming the interference is zero?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is