Please, answer the following questions
- Define each of the following;
- Spermatogenesis
- Androgenic hormone
- Explain each of the following;
- why it is necessary for sperms to have a haploid chromosome number.
- Exposur to execessive external heat is undesireable for young men.
- Adminstration of anabolic steroids may lead to infertelity.
- Compare between sperm motility in the testis and in vagina