(b) DNA and a common genetic code
Work Step by Step
All livings things contain DNA, which codes for everything that makes up the organism. All living organisms are related to each other in some way through the sequences in their DNA.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.