When symptoms are present, diagnosing the presence of osteophytes is a combination of a clinical exam of the joints and x-rays. Once the presence of osteophytes is confirmed, the treatment will depend on the severity of the disease.
While the genetic difference between individual humans today is minuscule â about 0.1%, on average â study of the same aspects of the chimpanzee genome indicates a difference of about 1.2%. The bonobo (Pan paniscus), which is the close cousin of chimpanzees (Pan troglodytes), differs from humans to the same degree.
And if that's not enough, dozens of companies now offer to examine your DNA to help you learn more about your ancestry. Humans share about 99.9 percent of the same sequence of DNA. Only about 0.1 percent of the sequence is different among various groups of humans [source: Skloot]. Regional populations of humans tend to share many of the same genetic markers.