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1. In the following diagram, which stage is analogous to Mendel’s Law of Segregation? Explain your reasoning.
2. Questions 2-3 refer to the following cross: AABb x AaBb
a. What is the probability that their first child is AABB?
b. What is the probability that their first child is AABB or AAbb?
3. List three sources of genetic variation that we discussed in class.
4. Describe the hypothesis for why the allele for sickle cell disease is very common in humans, despite the fact that it can lead to serious illness, especially in individuals who are homozygous for the allele.
5. What are A, B and C in the figure below?