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Station #2: DNA Evidence

Last updated almost 5 years ago
3 questions
Remember - DNA codes for amino acids which bond together to form proteins!
The table above describes the amino acid comparison between seven different animals. All of the amino acids compared are used to build the protein casein.
1

Which organism is most closely related to the whale?

1

Which organism is least related to the whale?

3

Why do you think DNA evidence is the best evidence for determining how related organisms are?

The big idea: The more closely organisms are related, the more similar their DNA is, the more similar their amino acids are, and the more similar their proteins are!