Exercises marked with (*) require further reading/search beyond the suggested texts.
1. Find ancestor states that yield the minimum number of changes in the topology below, based on the given matrix of spieces vs. characters.
C1 C2 C3 A 0 1 1 B 1 1 0 C 1 0 0 D 1 0 1
Answer:
There is no assignment with 3 changes. We can see ancestor states that yield 4 changes, the minimum possible, in the image below:
© 2015 Joao Meidanis