Which of the following refers to the motivation of the body and the nervous system?

Accidental alteration in individual genes during replication is called

A) crossing over. B) translation. C) linkage. D) mutation. E) self-duplication.

A stem-and-leaf display is often

a. a simplified representation of the underlying data. b. a quick way to draw a histogram. c. more informative than the corresponding histogram. d. all of the above