You look at two species and see very similar dna. what does this likely tell you? a. there are the same animal b. these animals are not likely related c. these animals have a recent common ancestor d. these animals are likely becoming one species

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different