Introduction to Behavioral Neuroscience
OpenStax
Chapter 11: Sexual Behavior and Development
Multiple Choice
1. What is the one evolutionary advantage of sexual reproduction?
A. It ensures identical offspring
B. It promotes genetic diversity*
C. It simplifies the reproduction process
D. It prevents mutations from occurring
Bloom’s Level 2. Understanding
2. Which of the following is an example of intrasexual selection?
A. Female birds choosing mates based on their song
B. Males fighting for territory and access to females*
C. Animals developing traits to avoid predators
D. Females displaying aggressive behaviors towards males
Bloom’s Level 2. Understanding
3. How do sex differences in sensory processing potentially influence behavior?
A. They have no impact on behavior
B. They only affect physical traits
C. They may contribute to differences in stress responses*
D. They ensure identical behaviors across sexes
Bloom’s Level 2. Understanding
4. What is the function of the SRY gene in sex determination?
A. It initiates the development of ovaries
B. It promotes the differentiation of the Wolffian duct
C. It triggers the development of testes*
D. It inhibits the expression of Sox9
Bloom’s Level 1. Remembering
5. Which of the following is an example of sequential hermaphroditism?
A. A fish that changes from male to female during its life*
B. A reptile that develops different genitalia based on temperature
C. A bird with genetic sex determination
D. An amphibian with photoperiod-driven sex determination
Bloom’s Level 2. Understanding
1
, Introduction to Behavioral Neuroscience
OpenStax
6. Which statement is true about polygenic sex determination?
A. It involves only the X and Y chromosomes
B. It is controlled by multiple genetic factors scattered across the genome*
C. It is determined solely by environmental factors
D. It leads to only one type of sex phenotype
Bloom’s Level 2. Understanding
7. Which gene on the Y chromosome is linked to dopamine production in certain brain areas?
A. Sox9
B. SRY*
C. Sox2
D. DAX1
Bloom’s Level 1. Remembering
8. How do PCBs affect the brain when exposure occurs during perinatal development?
A. They increase testosterone levels
B. They have no effect on brain development
C. They disrupt sexual differentiation of the brain*
D. They cause accelerated puberty in males
Bloom’s Level 1. Remembering
9. How do social stressors affect sex differences in the brain?
A. They only affect males
B. They eliminate sex differences in all cases
C. They can either eliminate or exacerbate sex differences depending on the context*
D. They only affect females
Bloom’s Level 2. Understanding
10. What process allows some genes on the X chromosome to remain active even after X-
inactivation?
A. Genetic imprinting
B. Y chromosome compensation
C. Escape from X-inactivation*
D. Hormonal regulation
Bloom’s Level 1. Remembering
2
OpenStax
Chapter 11: Sexual Behavior and Development
Multiple Choice
1. What is the one evolutionary advantage of sexual reproduction?
A. It ensures identical offspring
B. It promotes genetic diversity*
C. It simplifies the reproduction process
D. It prevents mutations from occurring
Bloom’s Level 2. Understanding
2. Which of the following is an example of intrasexual selection?
A. Female birds choosing mates based on their song
B. Males fighting for territory and access to females*
C. Animals developing traits to avoid predators
D. Females displaying aggressive behaviors towards males
Bloom’s Level 2. Understanding
3. How do sex differences in sensory processing potentially influence behavior?
A. They have no impact on behavior
B. They only affect physical traits
C. They may contribute to differences in stress responses*
D. They ensure identical behaviors across sexes
Bloom’s Level 2. Understanding
4. What is the function of the SRY gene in sex determination?
A. It initiates the development of ovaries
B. It promotes the differentiation of the Wolffian duct
C. It triggers the development of testes*
D. It inhibits the expression of Sox9
Bloom’s Level 1. Remembering
5. Which of the following is an example of sequential hermaphroditism?
A. A fish that changes from male to female during its life*
B. A reptile that develops different genitalia based on temperature
C. A bird with genetic sex determination
D. An amphibian with photoperiod-driven sex determination
Bloom’s Level 2. Understanding
1
, Introduction to Behavioral Neuroscience
OpenStax
6. Which statement is true about polygenic sex determination?
A. It involves only the X and Y chromosomes
B. It is controlled by multiple genetic factors scattered across the genome*
C. It is determined solely by environmental factors
D. It leads to only one type of sex phenotype
Bloom’s Level 2. Understanding
7. Which gene on the Y chromosome is linked to dopamine production in certain brain areas?
A. Sox9
B. SRY*
C. Sox2
D. DAX1
Bloom’s Level 1. Remembering
8. How do PCBs affect the brain when exposure occurs during perinatal development?
A. They increase testosterone levels
B. They have no effect on brain development
C. They disrupt sexual differentiation of the brain*
D. They cause accelerated puberty in males
Bloom’s Level 1. Remembering
9. How do social stressors affect sex differences in the brain?
A. They only affect males
B. They eliminate sex differences in all cases
C. They can either eliminate or exacerbate sex differences depending on the context*
D. They only affect females
Bloom’s Level 2. Understanding
10. What process allows some genes on the X chromosome to remain active even after X-
inactivation?
A. Genetic imprinting
B. Y chromosome compensation
C. Escape from X-inactivation*
D. Hormonal regulation
Bloom’s Level 1. Remembering
2
