Which of the Following Best Explains Why a Bone Marrow

question 44

Multiple Choice

Which of the following best explains why a bone marrow transplant may not be appropriate from a given donor to a given recipient even though they are compatible for blood transfusions?

• A) their blood-types may match but major histocompatibility (MHC) proteins may not be a match
• B) a blood type match is less stringent than a match required for transplant because blood is more tolerant of change
• C) there is only one allele for blood-type, but there are many alleles for bone-marrow type
• D) the given donor's MHC class II genes are not expressed in bone marrow

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