April+21

Topic: Formation of Twins

Video: twins

Google search: Twins

Create an 81/2" x 11" poster explaining the formation and genetics of twins. Rubric: http://rubistar.4teachers.org/index.php?screen=ShowRubric&rubric_id=1896201& (50 pts)

Additional Resources: http://www.keepkidshealthy.com/twins/expecting_twins.html http://www.thetech.org/genetics/ask.php?id=86 http://multiples.about.com/od/pregnancy/a/familytwin.htm http://www.buzzle.com/articles/genetic-research-of-identical-twins.html http://www.saburchill.com/IBbiology/chapters03/007.html

The Wiki is very good for this topic found at: http://en.wikipedia.org/wiki/Twin#Zygosity and offers nice illustrations

Be sure to cite your sources on the back of your poster. You may print your poster or submit it electronically (as a power pt presentation; second slide would be the cited resources with your name)
 * Tips for a successful project:**