Concluded Case

What are the multifactorial inherited diseases?

32 year old woman with corrected tetralogy of fallot was pregnant at 18 weeks gestation with a male fetus.she inquires as to the chance that her son has congenital heart disease?

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MULTIFACTORIAL INHERITANCE the majority of birth defects 70% are multifactorial or polygenic in origin, which means there is an interaction of multiple genes with environmental factors .characteristic mendelian patterns are not found but there is an increased frequency of the disorder or phenotype in families. the overall reoccurrence rate is 2-3%.as the number of genes for a multifactorial trait increases the liability for the disease increases. the more the severe the malformation ,the higher the risk for recurrence .examples of multifactorial inheritance include neural tube defects, congenital heart disease ,cleft lip and palate and pyloric stenosis.
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MULTIFACTORIAL INHERITANCE the majority of birth defects 70% are multifactorial or polygenic in origin, which means there is an interaction of multiple genes with environmental factors .characteristic mendelian patterns are not found but there is an increased frequency of the disorder or phenotype in families. the overall reoccurrence rate is 2-3%.as the number of genes for a multifactorial trait increases the liability for the disease increases. the more the severe the malformation ,the higher the risk for recurrence .examples of multifactorial inheritance include neural tube defects, congenital heart disease ,cleft lip and palate and pyloric stenosis.
I don't think it's hereditary, right?

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