Final answer:
DNA analysis is the technique that supplanted blood typing for associating bloodstain evidence with a particular individual.
Step-by-step explanation:
The technique that supplanted blood typing for associating bloodstain evidence with a particular individual is DNA analysis.
DNA analysis uses similarities in DNA sequences to determine whether a crime scene sample of human tissue contains DNA that matches exactly the DNA of a suspect.
This technique is used in criminal investigations and forensic science to establish a direct link between a bloodstain and an individual.