Which treatment replaces diseased bone marrow with healthy stem cells that grow into new bone marrow?

In this excerpt, the reader is able to see how important lizzie’s friendship is to turner. which explains the factor that is most likely affecting turner’s perspective in this excerpt? turner’s age is not allowing him to fully understand his father’s concerns over the racial conflict. turner’s location is not allowing him to see that racial conflict can occur anywhere. turner’s morals are not allowing him to take part in the racial conflict that is occurring. turner’s limited education is not allowing him to understand exactly what racial conflict is.