Biology

The discussion assignment provides a forum for discussing relevant topics for this week based on the course competencies covered.

For this assignment, make sure you post your initial response to the Discussion Area by Saturday, October 19, 2013.

To support your work, use your course and text readings and also use outside sources. As in all assignments, cite your sources in your work and provide references for the citations in APA format.

 

Development and Inheritance

Utilizing knowledge from your learning and assigned readings, respond to the following questions:

  1. What activity during oocyte activation prevents penetration by additional sperm?
  2. Outline the events that take place between exposure of the oocyte to spermatozoa and formation of the first blastomere pair.
  3. List and briefly characterize the three trimesters of gestation.
  4. Describe the events of embryonic development from conception until the fetal stage, including development of the primary germ layers.
  5. List and describe the three stages of labor.

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