ANSWER: Testes determining factor also known as sex determining region Y protein, is a DNA binding protein encoded by the SRY gene that is responsible for initiation of male sex determination in mammals.
Seminal vesicles, bulbourethral glands and prostate are the accesor glands contributing to semen. They contribute nutrients to the immobile sperm, secretes alkaline mucus.
Anabolic effects of testosterone are muscle building, increase appetite, bone growth, acceleration of erythropoiesis.
Reproductive functions of testosterone includes Increased libido, development of sexual organs, it governs the formation of sperm, triggers the formation of secondary sexual character in males.
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