If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

Question

Accepted Answer

Correct answer: D. (d) If both parents are carriers (Tt × Tt) of an autosomal recessive disorder like thalassemia, the offspring ratio is: TT = Normal (25%) Tt = Carrier (50%) tt = Affected (25%) Therefore, the chance of an affected child = 25%.

$If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?$

Solution

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