New York State Chemistry RegentsNew York State Earth Science Regents

Living Environment Regents June 2010 Question 68 PDF Print E-mail
NYS Living Environment Regents June 2010

Diagram 1 cannot be used to know on confirm the evolutionary relationships of organisms. By merely looking at the stem cross sections, they may look the same. Just like in humans, some people may look the same but in truth they are not genetically related to each other. Thus, scientists are using genetic techniques such as gel electrophoresis which produces DNA profiles of organisms. Diagram 2 is an example of a DNA profile.


You must be a registered user to post comments.

Copyright Information

All works and materials contained within this site Copyright © 2009 Technology Strategies For Success inc.


We are not affiliated with, nor endorsed by, the New York State Education Department.

The information contained in this website is for general information purposes only. The information is provided by "Technology Strategies for Success" and while we strive to keep the information up-to-date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk.