Which of the Following Changes Are Most Likely to Occur

Multiple Choice

Which of the following changes are most likely to occur in a male songbird that has a mutation in the cells in its anterior pituitary gland such that FSH and LH are produced at 1% of normal levels?

A) decreased frequency of "singing" to attract females
B) increased testosterone production
C) increased courtship displays to attract females
D) decreased GnRH production