Item RH048001: 100% of a son's body cells contain some DNA from his mother.

In sexually reproducing organisms, such as humans, which of the following is TRUE about how many of a son’s body cells (any cell in the body except a sex cell) contain DNA from his mother?

  1. A little less than 50% of a son’s body cells contain some DNA from his mother.
  2. 50% of a son’s body cells contain some DNA from his mother.
  3. A little more than 50% of a son’s body cells contain some DNA from his mother.
  4. 100% of a son’s body cells contain some DNA from his mother.

Distribution of Responses

Chart showing distrubtion of responses for Item RH048001

Percent of students responding correctly

Overall15%
Grades 6–812%
Grades 9–1222%
Male15%
Female15%
Primary Language is English16%
Primary Language is not English15%

View data table