2. Two pure lines of plants are crossed, one with yellow petals and one with red. The F, are all orange. When the F, is self-crossed to give an F, we find the following result: Orange: 182 Yellow: 61 Red: 77 You consult an expert who says that these results could be explained by two competing hypotheses: incomplete dominance and recessive epistasis. (10 marks) a) Describe how incomplete dominance could explain these results. b) Describe how recessive epistasis could explain these results. 3. Awoman who is blood type B has a child whose blood type is A; her husband is blood type O. Despite his wife's claims of innocence, the irate father claims that the child is not his. Do you think that the wife is necessarily guilty of adultery? Explain. (4 marks)