During meiosis, at times chromosomes sometimes fail to divide properly and as a result the person may have 45 or 47 chromosomes (or even, in rare cases, 48 or 49). Which of the following best describes this phenomenon?

What did Freud call the level of consciousness in which cognitions, memories, and

feelings require some effort to recall and verbalize? (a) pre-conscious (b) superego (c) perceptual conscious (d) unconscious

Liam and Olivia met six months ago. They moved into an apartment together three months ago. They are not engaged. Compared to U.S

couples who wait to live together until after they have made a formal commitment to each other, they are __________ likely to __________. A) less; divorce if they marry B) more; have had fewer sexual partners C) more; be androgynous D) more; be religious