Item RH024005: Both a bird's physical characteristics and its behaviors could be affected by the information in the bird's DNA molecules.

Which of the following could be affected by the information in the DNA molecules of an organism such as a bird?

  1. Both the bird’s physical characteristics and its behaviors
  2. The bird’s physical characteristics but not its behaviors
  3. The bird’s behaviors but not its physical characteristics
  4. Neither the bird’s physical characteristics nor its behaviors