I ask this question because my mother had A- according to an “old” blood group card. After a recent new test it now turns out to be A+? Either a mistake was made in the past or that blood group has changed from – to +.
Asker: Bart, 48 years old
Answer
Blood type can’t change, but people can always make mistakes!
Answered by
Prof. dr. dr. Luc Bouwens
Biomedical Sciences
Free University of Brussels
Avenue de la Plein 2 1050 Ixelles
http://www.vub.ac.be/
Avenue de la Plein 2 1050 Ixelles
http://www.vub.ac.be/
.