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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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bugaboo5 bugaboo5
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11 years ago
my report in our class is about genes and traits.i am curious to know if there is a link in the birth defect to the genes of parents.is birth defects and abnormalities hereditary or not?
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#1
11 years ago
Quite honestly it depends which defects and abnormalities you're talking about.
Cystic Fibrosis is inherited, each parent has to be a carrier for the affected gene, and then the child must inherit the affected gene from both parents to suffer from Cystic fibrosis.
Birth defects such as a hole in the heart (septal defect) are caused by the heart of the foetus not developing correctly and are not inherited, although the incidence of being affected is higher if a sibling has also been affected.
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