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