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Question
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
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Solution
The correct option is C 25%
An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develop. Cystic Fibrosis, Sickle Cell Anemia, Tay-Sachs Disease, thalassemia are some of the examples of such inheritance.
If both parents are carriers for the autosomal recessive disorder thalassemia, there is a 25% chance that the resulting child is affected.
An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develop. Cystic Fibrosis, Sickle Cell Anemia, Tay-Sachs Disease, thalassemia are some of the examples of such inheritance.
If both parents are carriers for the autosomal recessive disorder thalassemia, there is a 25% chance that the resulting child is affected.
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