Bio 111 exam 3 stuvia - Study guides, Class notes & Summaries

In a controlled experiment, researchers manipulate one variable at a time. What was the experimental variable in this study? - ANSWERSthe genotype of the transplanted tissue Why did the researchers use more than one hamster for each procedure? - ANSWERSto assess whether the differences in cycle period before and after transplant were greater than the variation in cycle period from animal to animal What traits of the individual hamsters would likely have been controlled across the treatmen...