PubMed · 3669232
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B Merz. 1987-11-20. Matchmaking scheme solves Tay-Sachs problem.. https://doi.org/10.1001/jama.1987.03400190018005
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Carrier detection and prenatal diagnosis in the three commonest bleeding disorders (hemophilia A and B and von Wilebrands disease) can be performed either phenotypically or genotypically. Phenotypic analysis for carrier detection results only in a probabilistic assessment whereas DNA analysis, either by direct defect detection or by DNA polymorphism based gene tracking, can result in an accuracy of effectively 100%. Direct defect detection is the method of choice but can be technically demanding. Polymorphism analysis is much simpler and is now being used in family studies world wide.
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Theoretical and practical aspects of programs for prevention of homozygous beta-thalassaemia are discussed and data concerning their efficacy are presented. Prevention of the beta-thalassaemia homozygous state is feasible at a reasonable cost.