Question

In most mammals, the testes are located in scrotal sac for

• A. Spermatogenesis
• B. Sex differentiation
• C. More space to visceral organs
• D. Independent functioning of kidney

Answer 1

The correct option is A Spermatogenesis

In all mammals, the testes descend into the scrotum, which is outside the body cavity. Here, the temperature is 1-6 degree celsius lower than inside of the body. The germ cells undergo mitosis and forms group of cells which is known as spermatogonia. Spermatogonia is diploid and undergoes mitosis to form primary spermatocyte which further undergoes meiosis to form haploid secondary spermatocyte. The secondary spermatocyte undergoes meiosis II to form haploid spermatids. The spermatids get transformed into spermatozoa by the process of spermiogenesis turns into active sperms.

So, the correct answer is option A.