Does variation occur within a species or between different species?

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Each hereditary trait corresponds to

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.