Be able to detail these categories by types and molecules involved. Explain how an antibody specific to an adhesion protein might interfere with morphogenesis if introduced to the exterior of a developing embryo. Chapter 4 1. Be able to describe the microscopic and biochemical structure of sea urchin and mammalian sperm and eggs. As described in Chapter 4, know the details of sperm and egg development.
Fertilization involves four major events.
Recognition of Egg by Sperm Attraction Activation Adhesion Fusion of Sperm and Egg Fusion Prevention of Polyspermy Activation of Egg Early Responses Late Responses Fusion of pronuclei Rearrangement of Egg's Cytoplasm 4. The complete sea urchin fertilization story should be known from recognition through activation . We have dealt with the fertilization of other species as well in lecture. For those species be able to discuss the aspects of their fertilization we have discussed, e.g. mammalian adhesion, amphibian cytoplasmic rearrangement, etc.