Question 1

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 aboveF) B) and D)
G) B) and E)

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 aboveF) C) and E)
G) A) and D)

Question 3

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 aboveF) A) and E)
G) A) and D)

Exam 9: Sexual Behavior

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

Correct Answer
verified

In both insects and mammals:

Correct Answer
verified

XY fruit flies that are mutant for Tra:

Correct Answer
verified

Exam 9: Sexual Behavior

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

Correct AnswerverifiedShow Answer

In both insects and mammals:

Correct AnswerverifiedShow Answer

XY fruit flies that are mutant for Tra:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified