Criminalistics An Introduction to Forensic Science Key Revision Questions and CORRECT Answers

What was the key evidence in the Sam Sheppard case for conviction and then eventual acquittal. hint: the movie "The Fugitive" was made after this case. - The initial physical evidence during the conviction was a bloody outline of a surgical instrument on a pillow. During the acquittal blood spatter evidence both on the watch and in the crime scene were part of the testimony. Karl Landsteiner discovered that blood can be classified by its _______. - Type, ABO True or false: no two individuals, except for identical twins, can be expected to have the same combination of blood types or antigens. - True _____ is the fluid portion of unclotted blood. - Plasma The liquid that separates from the blood when a clot is formed is called the _____. - Serum _____ transport oxygen from the lungs to the body tissues and carry carbon dioxide back to the lungs. - Red blood cells On the surface of red blood cells are chemical substances called _____, which impart blood type characteristics to the cells. - Antigens Type A individuals have ______ antigens on the surface of the red blood cells. - A Type O individuals have (both, neither) A & B antigens on the red blood cells. - Neither