“Tree-Thinking”
Model 1:
Use the Model above to help answer these questions.
1. To whom are you more closely related, your sister (or other sibling) or your cousin? Explain your reasoning.
Your Sister because you share the closest ancestor of A
2. Who is more closely related to Cousin #1, you or your sibling? Explain your reasoning.
Both of you guys are equally related because it is the same distance from both of them
3. What individuals might be represented by each of the following letters?
A: Parents
B: Grandparents
C: Cousin Parents
4. Congratulations! You have a new baby sibling! Where would you put your new sibling on the diagram? Explain
your answer.
I would make a three-way connection at Ancestor A because then all of them would be equal distance
5. In Model 1, which tells you how closely related two individuals are: the branching pattern of the lines, or the
vertical location of the tips of the branches? Justify your answer.
The branching pattern of the lines because you can see how far they are from each other
Model 1:
Use the Model above to help answer these questions.
1. To whom are you more closely related, your sister (or other sibling) or your cousin? Explain your reasoning.
Your Sister because you share the closest ancestor of A
2. Who is more closely related to Cousin #1, you or your sibling? Explain your reasoning.
Both of you guys are equally related because it is the same distance from both of them
3. What individuals might be represented by each of the following letters?
A: Parents
B: Grandparents
C: Cousin Parents
4. Congratulations! You have a new baby sibling! Where would you put your new sibling on the diagram? Explain
your answer.
I would make a three-way connection at Ancestor A because then all of them would be equal distance
5. In Model 1, which tells you how closely related two individuals are: the branching pattern of the lines, or the
vertical location of the tips of the branches? Justify your answer.
The branching pattern of the lines because you can see how far they are from each other
