Answer:
Chuck's attitude toward attractive women best illustrates a gender stereotype.
Step-by-step explanation:
Gender stereotypes are characteristics, that are mostly veiwed as negative, that society associates with being a man or a woman and thus, generalizes such characteristics to all men or to all women. These stereotypes can dictate actions and are commonly the base for sexism. There are a lot of gender stereotypes regarding women, Chuck's belief, that attractive women cannot be good educators, is one of them, that links a woman's physical appearance to her intellectual capacity.