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.
Human body cells have 23 pairs of chromosomes in the nucleus. One of these pairs controls the inheritance of gender-whether offspring are male or female: 1  In males, the two sex chromosomes are different. 2  They are XY. 3  In females, the two sex chromosomes are the same. 4  They are XX.