Organisms A B C D E A X 31 42 8 65 B 31 X 14 3 10 C 42 14 X 72 43 D 8 3 72 X 19 E 65 10 43 19 X Using the data above, which two organisms are the most closely related? A. organisms A and D B. organisms A and E C. organisms C and D D. organisms B and D
Read the scenario.
An evolutionary biologist performs a research project in which she analyzes a specific blood protein found in most mammals. In her analysis, she determined that the protein is made from a sequence of 88 amino acids. She identified each of the specific amino acids that make up the blood protein for five different organisms (A-E). Below is a table that shows the results. The numbers in the table represent the number of amino acids that match when comparing two different organisms. For example, if you compare organisms A and B, you will see that they have 31 amino acids that match.
Organisms A B C D E
A X 31 42 8 65
B 31 X 14 3 10
C 42 14 X 72 43
D 8 3 72 X 19
E 65 10 43 19 X
Using the data above, which two organisms are the most closely related?
A. organisms A and D
B. organisms A and E
C. organisms C and D
D. organisms B and D
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