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TLS Online TPP Program
#Question id: 12489
#Unit 8. Inheritance Biology
Achondroplasia shows autosomal dominant inheritance with complete penetrance. A man with achondroplasia has an unaffected partner of normal height. Their first two children are not affected. Which of the following is correct?
TLS Online TPP Program
#Question id: 12490
#Unit 8. Inheritance Biology
Tay-Sachs disease shows autosomal recessive inheritance. Parents of a newly diagnosed affected child are referred for genetic counselling. It would be correct to tell them that:
TLS Online TPP Program
#Question id: 12491
#Unit 8. Inheritance Biology
Phenylketonuria shows autosomal recessive inheritance with an incidence of 1 in 10000. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?
TLS Online TPP Program
#Question id: 12492
#Unit 8. Inheritance Biology
A young man with phenylketonuria, who was successfully treated following diagnosis on newborn screening, is planning to start a family with his healthy, unaffected, and unrelated partner, who has no family history of phenylketonuria . Phenylketonuria shows autosomal recessive inheritance with an incidence of 1 in 10 000. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?
TLS Online TPP Program
#Question id: 12493
#Unit 8. Inheritance Biology
Cystic fibrosis shows autosomal recessive inheritance with an incidence of 1 in 2500. The unaffected brother of an affected girl is referred for genetic counseling. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?
TLS Online TPP Program
#Question id: 12494
#Unit 8. Inheritance Biology
Hunter syndrome is a rare form of mucopolysacchararidosis that differs from all other forms in that it shows X-linked recessive inheritance. A woman with two affected brothers is referred for genetic counselling. Which of the following is correct?