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Home Q & A Board Biology-Related Homework Help Biochemistry
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Skoochy Skoochy
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6 years ago
A 25-year-old man with short limbs has achondroplasia. No one in his family has had the disease. He married a woman of normal height and wanted to know their chances of having a child with the same disease. As a consultant you say that
 
  A. 75 of their children will be affected
  B. in every pregnancy the chances are 50 that a child will be affected
  C. the father has a spontaneous mutation that is not transmitted to his progeny
  D. 25 of all of their children will be affected
  E. only boys will be affected
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#1
6 years ago
C
Achondroplasia is an autosomal dominant disease and is thus passed on to approximately 50 of all children.
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