Assignment task: This is a calculation question. Please make sure that you show the process of calculation. To determine how lactose tolerance/intolerance is inherited, researchers examined nine extended Finnish families for five generations. Below is one of those pedigrees. Look at the pedigree and then answer the questions below.
1. What is the possible genotype of the mother of individual 5, generation IV? Explain your answer.
2. What is the possible genotype of individual 17, generation III? Explain your answer.
3. Individual 17 and 18 in generation III had two children who are lactose tolerant (i.e. individual 11 and 12, generation IV). What is the probability that their third child will be lactose intolerant? Explain your answer.