(Mark Boswell/The Minnesota Star Tribune)
(Mark Boswell/The Minnesota Star Tribune)
Protein markers called HLA (Human Leukocyte Antigens) that are inherited need to be similar so donors' stem cells don't attack recipients' bodies after transplant. Siblings only have a one in four chance of matching. Here's how it works.
The "winners" have all been Turkeys, no matter the honor's name.