Question 1

In both insects and mammals:

Accepted Answer

A)  sexual dimorphism in the brain is often due to sex-specific differences in programmed cell death. 
B)  sexual dimorphism is regulated by reception of circulating sex hormones. 
C)  sex determination is cell-autonomous, based on karyotype. 
D)  sex-specific survival of a muscle promotes survival of its motor neuron(s). 
E)  All of the above 
A)  sexual dimorphism in the brain is often due to sex-specific differences in programmed cell death. 
B)  sexual dimorphism is regulated by reception of circulating sex hormones. 
C)  sex determination is cell-autonomous, based on karyotype. 
D)  sex-specific survival of a muscle promotes survival of its motor neuron(s). 
E)  All of the above

Question 2

During the breeding season, the vocal control areas are significantly larger in male canaries than in females of the same species due to:

Accepted Answer

A)  sex hormones. 
B)  brain-derived neurotrophic factor. 
C)  adult neurogenesis. 
D)  recruitment of new neurons into functional circuits. 
E)  All of the above 
A)  sex hormones. 
B)  brain-derived neurotrophic factor. 
C)  adult neurogenesis. 
D)  recruitment of new neurons into functional circuits. 
E)  All of the above

Question 3

XY fruit flies that are mutant for Tra:

Accepted Answer

A)  have the physical appearance of females. 
B)  express DsxF. 
C)  make a long mature version of the Fru mRNA. 
D)  make a full-length version of the Fru protein. 
E)  All of the above 
A)  have the physical appearance of females. 
B)  express DsxF. 
C)  make a long mature version of the Fru mRNA. 
D)  make a full-length version of the Fru protein. 
E)  All of the above

In both insects and mammals:

During the breeding season, the vocal control areas are significantly larger in male canaries than in females of the same species due to:

XY fruit flies that are mutant for Tra:

An Invitation to Neurobiology

Signaling Within Neurons

Signaling Across Synapses

Vision

Wiring of the Visual System

Olfaction, Taste, Audition, and Somatosensation

Wiring of the Nervous System

Motor and Regulatory Systems

Memory, Learning, and Synaptic Plasticity

Brain Disorders

Evolution of the Nervous System

Ways of Exploring

Filters

Exam 9: Sexual Behavior

In both insects and mammals:

During the breeding season, the vocal control areas are significantly larger in male canaries than in females of the same species due to:

XY fruit flies that are mutant for Tra:

An Invitation to Neurobiology

Signaling Within Neurons

Signaling Across Synapses

Vision

Wiring of the Visual System

Olfaction, Taste, Audition, and Somatosensation

Wiring of the Nervous System

Motor and Regulatory Systems

Memory, Learning, and Synaptic Plasticity

Brain Disorders

Evolution of the Nervous System

Ways of Exploring

Filters