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.