Which of the following is true of ovum and sperm?

A) An ovum carries a Y sex chromosome; a sperm carries an X sex chromosome.
B) An ovum carries an X sex chromosome; a sperm carries either X or Y sex chromosomes.
C) An ovum carries an X sex chromosome; a sperm carries a Y sex chromosome.
D) An ovum carries either X or Y sex chromosomes; a sperm carries an X sex chromosomes.


B

Psychology

You might also like to view...

__________ occurs when a third factor varies along with one of the variables of interest, making the interpretation of the correlation between the two main variables difficult

a. Confounding b. Correlation c. Confliction d. Truncation

Psychology

Marge is a psychologist in a medical center and spends all day interacting with patients and other healthcare providers. Although many of her colleagues socialize after work, she finds it necessary to go home each evening to have time to herself and recover before returning to work the next day. This behavior suggests that Marge is lower in

A. extroversion. B. openness. C. agreeableness. D. neuroticism.

Psychology

Mistaken identifications are more likely when a suspect's ethnicity differs from that of the eyewitness, even when the witness feels certain about being accurate

Indicate whether this statement is true or false.

Psychology

Dickinson contends that Pavlovian conditioning is based on ______, while operant conditioning is based on ______.

A. behavior-belief representation; associative-link expectancy B. a CS-CR association; response-reinforcement C. a CS-UCR association; response contingency D. a CS-UCS associative link; behavior-reinforcer belief

Psychology