The SciencesPuzzling Adventures: Alien Genetics Problem #1 SolutionBy Dennis E. Shasha on December 9, 2008 Credit: Cloe Liane ShashaAdvertisement Problem 1 Answer: S3 and S4 have the same role. ABOUT THE AUTHOR(S)Dennis E. ShashaRecent ArticlesPuzzing Adventures: Games and VirtuePuzzling Adventures: The Fair Way to Get a College Scholarship: Let's Make a Deal SolutionPuzzling Adventures: The Fair Way to Get a College Scholarship: Let's Make a Deal
