The Autosomal Recessive disease, Cystic Fibrosis (CF), runs in Jill’s family. Jill is unaffected. Based on this data, select which of the following statements could be True?
A. |
If Jill’s Paternal Aunt is affected and her Paternal Grandparents are unaffected. There is a 2/3 probability her father is a Carrier |
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B. |
In the future, Jill’s parents have another child and that child has CF. Therefore, her parents have a 100% probability of being Carriers |
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C. |
Jill could never produce a child that is affected with CF |
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D. |
Only, A and B are True |
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E. |
A, B, and C are True |
1) The Autosomal Recessive disease, Cystic Fibrosis (CF), runs in Jill’s family. Jill is unaffected. Based on this data, select which of the following statements could be True?
D) A and B are true
Cystic fibrosis is inherited in an autosomal recessive manner. Our genes come in pairs, with one copy inherited from each parent.When both parents are carriers for a recessive disorder, each child has a 1 in 4 chance of inheriting the two changed gene copies.
If Jill’s Paternal Aunt is affected and her Paternal Grandparents are unaffected. There is a 2/3 probability her father is a Carrier
In the future, Jill’s parents have another child and that child has CF. Therefore, her parents have a 100% probability of being Carriers so the both A and B are true
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