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Novosadov [1.4K]
3 years ago
9

Club foot is one of the most common congenital skeletal abnormalities, with a worldwide incidence of about 1 in 1000 births. Bot

h genetic and nongenetic factors are thought to be responsible for club foot. C. A. Gurnett et al. (2008. American Journal of Human Genetics 83:616–622) identified a family in which club foot was inherited as an autosomal dominant trait with reduced penetrance. They discovered a mutation in the PITXI gene that caused club foot in this family. Through DNA testing, they determined that 11 people in the family carried the PITXI mutation, but only 8 of these people had club foot. What is the penetrance of PITXI mutation in this family? Please round to two decimal places (e.g. 0.01).
Biology
1 answer:
Brilliant_brown [7]3 years ago
6 0

Answer:

Penetrance might be characterized as the part of the predetermined genotypes populace that shows the normal phenotype.  

Here, total number of genotypes (PITXI transformation observed) = 11  

Genuine influenced phenotypes = 8  

Penetrance =  (Watched number of club foot occasions) / (all out number of people with PITXI transformation)  

 Penetrance = 8/11

Penetrance = 0.72

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