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G542X

Question
G542X heterozygous mutation and polymorphisms 7T and 9T from a villous biopsy- does this mean a healthy carrier status? (Given that I have a child with the mutations G542X and deltaF508 heterozygous)
Answer
Hello,
From your history, the result shows a healthy carrier status of the G542X mutation and polymorphisms 7T and 9T (polymorphism is not associated with disease). If one parent is a carrier of the G542X mutation and the other is a carrier of the mutation del F508; a sick child would have two mutations, consisting in a compund-heterozygous status deltaF508/G542X.
With best regards,
Dr Ioana Ciuca
29.07.2014