A sedimentation rate is performed by measuring the rate at which red blood cells (RBCs) settle in a test tube. The RBCs become sediment in the bottom of the test tube over time, leaving the blood serum visible above. The classic sedimentation rate is simply how far the top of the RBC layer has fallen (in millimeters) in one hour.
The scope of genealogy, however, goes well beyond family trees; extending into areas of law, technology, event planning and medicine. Hiring a genealogist can be costly, so you must conduct your own research before hiring someone to do research on your behalf.
You can grow an apple tree from seed but you will not get the apple that grew on the mother tree. Apples do not breed true and that is why seeds are not usually sold. The best way to duplicate an apple tree variety is to graft scions from the mother tree to appropriate rootstock.