Refer to the figure showing a series of experiments carried out on female rats. Based on the figure, which statement about sex steroids and rat sexual behavior is false?
A) In treatment 1, a female rat at point A would display female sexual behavior (lordosis).
B) In treatment 2, a female rat at point D would show no sexual behavior.
C) In treatment 3, a female rat's nervous system would be masculinized.
D) In treatment 1, a female rat at point B would show male sexual behavior.
E) In treatment 2, a female rat at point C would display female sexual behavior (lordosis).

Question

Refer to the figure showing a series of experiments carried out on female rats.  Based on the figure, which statement about sex steroids and rat sexual behavior is false?
A) In treatment 1, a female rat at point A would display female sexual behavior (lordosis). 
B) In treatment 2, a female rat at point D would show no sexual behavior. 
C) In treatment 3, a female rat's nervous system would be masculinized. 
D) In treatment 1, a female rat at point B would show male sexual behavior. 
E) In treatment 2, a female rat at point C would display female sexual behavior (lordosis).

Quizplus · Accepted Answer

Treatment 1 involves the administration of testosterone propionate to female rats, which results in masculinization of their brains and behavior. Females that are treated with testosterone will exhibit male sexual behaviors, including mounting and intromission, but not female sexual behaviors such as lordosis. Therefore, statement D is false.

Refer to the Figure Showing a Series of Experiments Carried