PSY 265 Reproduction The life of the Sperm and Egg

PSY/265

The Life of a Sperm and the Life of an Egg from Start to Finish

This is a story about Sammy the Sperm, and Edna the Egg. This is an exciting day for Sammy and Edna because they are going to get fertilized today. Fertilization is the moment Sammy and Edna fuse together and a new individualbegins to form. Edna has been waiting for this day for 32 years, since her egg was produced when she was in the fetal ovaries, along with five million others, but today she is the chosen one! Sammy feels like he has won the lotto because he is the only one out of 500 million mobile sperm discharged today, in one ejaculation that will get to fertilize!

Sammy's day; Sammy's life begins in the seminiferous tubules, inside the testes, where he has...