Males and females show difference in the age of onset of pubey. The difference in the age of onset of pubey amongst males may be explained by

One of several proteins that paicipate in differentiation and growth. Two glycoproteins, inhibin A and inhibin B, are secreted by Seoli cells in the testis and granulosa cells in the ovary, inhibiting FSH secretion by direct action on the pituitary.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-427