Bio 117 exam 3 qa - Study guides, Class notes & Summaries

true or false: animals all share a similar development due to the use of similar regulatory genes that are turned "on" and "off" in similar order. - Answer- true regulatory genes - Answer- genes that control gene expression the release of the contents of cortical granules - Answer- -occurs after a single sperm cell enters the egg -in some animal species: causes the jelly layer of the egg to physically change and lift away. cortical granules - Answer- Vesicles that begin just under...