Item CE097004: All parts of the body, including the muscles and the brain, develop from a single fertilized egg cell.

Most animals start as a single fertilized egg cell.  What parts of the body can eventually develop from that single fertilized egg cell?

  1. The muscles, but not the brain
  2. The brain, but not the muscles
  3. Both the muscles and brain
  4. Neither the brain nor the muscles
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 3093
6–8
n = 1930
9–12
n = 1158
Male
n = 1489
Female
n = 1549
English
n = 2764
Other
n = 258
A. 13% 14% 12% 14% 12% 13% 16%
B. 19% 20% 18% 20% 18% 19% 21%
C. 54% 51% 59% 54% 55% 55% 47%
D. 14% 15% 11% 13% 15% 13% 16%