Direct laboratory manipulation of genetic material in order to identify the function of a gene is achieved through

What is the probability of rolling a 3 in a single roll of a die?

a. 0.50 b. 1.0 c. 0.25 d. 0.17

According to Freud, an expression of one's unconscious desires is called

a. the ideal self. b. wish fulfillment. c. the superego. d. libidinal energy.