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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
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1091
6–8
n = 589
9–12
n = 499
Male
n = 533
Female
n = 539
English
n = 992
Other
n = 67
A. 47% 45% 50% 44% 50% 48% 39%
B. 32% 32% 32% 32% 32% 32% 27%
C. 13% 14% 11% 14% 12% 12% 21%
D. 8% 10% 7% 11% 6% 8% 13%