If both parents are carriers for thalassaemia | vedclass

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(a): Thalassaemia is an autosomal recessiveblood disorder. In the given case, both the partners are unaffected carriers for the gene $i.e.$, have hete

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(a): Thalassaemia is an autosomal recessiveblood disorder. In the given case, both the partners are unaffected carriers for the gene $i.e.$, have heterozygous genotype $Tt$. Persons homozygous for the autosomal recessive gene of $\beta$-&shy;thalassaemia suffer from severe haemolytic anaemia. Heterozygous persons are also not normal, but show the defect in a less severe form (thalassaemia minor).

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

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