What is dna? how do scientists isolate dna in order to study it? how does dna differ from person to person? how can tools of molecular biology be used to compare the dna of two individuals? what are restriction enzymes? what are restriction fragment length polymorphisms? what is gel electrophoresis and how can the results of this technique be interpreted?

Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that: