41. "What proof do they have that this genetic marker doesn't exist in any other species? 42. Genetically there are a few very well defined genetic markers which distinguish males from females. 43. A 2005 study by Tang and colleagues used 326 genetic markers to determine genetic clusters. 44. Modernly, f can be estimated using genetic marker data. 45. DNA from the blood is analyzed to create a map of about 250 simple genetic markers . 46. Analysis of genetic markers has also been used to link the two groups of indigenous peoples. 47. Experts in DNA testing, however, differ over whether the genetic markers can identify a specific person. 48. Specific regions of the DNA ( genetic markers ) are used to diagnose the environmental studies. 49. DNA tests showed the blood had the same genetic markers as Bakley's blood, according to the records. 50. Jurors walked past a large light board on which the X-rays full of genetic markers were posted.
