Example 1: A 25-year-old university graduate student requests counseling. He is mentally and physically normal, and his fiancée is equally normal genetically. The girl’s parents were interested in their future son-in-law’s family. They became concerned after discovering the situation illustrated in the pedigree in Figure 1.1. Two half-sisters of the young man suffer from Hurler’s disease; they are both badly malformed. The father and grandfather of the proband both manifest Dupuytren’s contracture of the hand, and the father’s sister suffers from a congenital dislocation of the hip.
KeywordsAtopic Dermatitis Dermatan Sulfate Future Child Defective Gene Genetic Liability
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