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Question
If both parents are carriers for thalessemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
If both parents are carriers for thalessemia, 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%
Thalassemia is a hereditary disorder. The disease is passed to the child from the parents who carry the mutated thalassemia gene. A child who inherits one mutated gene is known as a carrier. When both parents are carriers of the autosomal recessive gene, then the possibility of the offspring being
affected is 25% that is 1 in 4.Thus, the correct answer is option B.
Thalassemia is a hereditary disorder. The disease is passed to the child from the parents who carry the mutated thalassemia gene. A child who inherits one mutated gene is known as a carrier. When both parents are carriers of the autosomal recessive gene, then the possibility of the offspring being
affected is 25% that is 1 in 4.
Thus, the correct answer is option B.
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