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| SPECIALIST ANSWERS
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Question |
I was wondering, if a condition is found in a child and it turns out to be genetic are both parents tested to see who it comes from?. From genetic testing can you find out if the father is the true biological father if the condition can only be passed on by one of the parents and neither parent carries that particular gene? If from genetic testing you find out that the father is not the true biological father does the doctor/health team have a legal obligation to inform the father in question? I would be happy if you could answer these quetions as i'm unsure as to how genetic testing works and to how much information you can find out from undertaking a genetic test.
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Answer |
A ge entic disorder may be acquired from a defective gene from both parents (autosomal recessive condition), or from a single parent (autosomal dominant condition) or may be de novo from a fresh mutation. It may also be a different inheritance pattern (e.g Downs syndrome in which both parents may not have the genetic defect). Thus depending on which is the genetic disorder, then only one can say whether the parents carry the gene or not.
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