Family members who donate their bone marrow to a transplant patient and who share one out of the two HLA haplotypes are providing a(n)_____ transplant.

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A haploidentical transplant is one in which a family member who shares only one out of the two HLA haplotypes with the patient donates their bone marrow for transplant. Autologous transplant involves using the patient's own cells, HLA-matched transplant uses cells from a non-related matched donor, chimeric transplant involves a combination of cells from two different sources, and cross-matched transplant involves testing the compatibility of the cells from the donor and the recipient to prevent rejection.

Family Members Who Donate Their Bone Marrow to a Transplant