affected relative

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Though a gene may be dominant, it may not cause exactly the same manifestation in affected relatives.
Ascertainment of affected relatives is difficult, as the disease may not become apparent for many years.
If there is a family history of bleeding, a family tree and the age of presentation in affected relatives may provide useful information.
Mean scores of stimulant-naive affected relatives were virtually identical to scores of the full group of affected relatives.
The current study includes all female probands and affected relatives (n=714) from this recruitment wave.
Differences emerged on age, with affected relatives slightly younger than unaffected and control relatives.
Affected relatives were also required to be free of the psychiatric and medical conditions excluded for probands.
Ascertainment of affected relatives is difficult as the disease may not become apparent until many years later.
From the hospital records for each patient were extracted social data, on consanguinity of parents, occurrence of affected relatives, religion, and socioeconomic status as indicated in the hospital classificatory system.
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