20. Development
Animal Development
Problem 1
Textbook Question
Textbook QuestionThe cortical reaction of sea urchin eggs functions directly in a. the formation of a fertilization envelope. b. the production of a fast block to polyspermy. c. the generation of an electrical impulse by the egg. d. the fusion of egg and sperm nuclei.
![](/channels/images/assetPage/verifiedSolution.png)
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
2mPlay a video:
768
views
Was this helpful?
Related Videos
Related Practice
Showing 1 of 26 videos