Answer:
The correct answer of the function of the follicle stimulating hormone in male is the development of the gonads, which is the testis (A).
Explanation:
Sertoli cells, which are responsible for maintaining the maturity of sperm cells due to the production of proteins that bind the androgen is stimulated by the Follicle stimulating hormones. Also, the increase in the size of the testis, the male's gonad, is stimulated by the same Follicle stimulating hormone.
