Explain the 4 steps of Spermatogenesis involved with mitosis/meiosis (chromosome #, etc.)
Steps 1) What is spermatogonia? What happens after mitosis?
Step 2) Where does first meiotic division occur? What does it create?
Step 3) What does the Second meiotic division produce?
Step 4) What does the process of spermiogenesis result in?
- 1) germ cells that are the origin of sperm cells are diploid (2n - 46)
- -Mitotic divisions produce new germ cells and a committed cell, called a "primary spermatocyte".
2) primary spermatocyte diploid: first meiotic division occurs. The first division creates haploid (n - 23) cells called, "secondary spermatocytes".
3) Second meiotic division originates w/ the secondary spermatocytes and produces "spermatids".
4) Process of spermiogenesis results in morphological change needed to form "motile" sperm cells.