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

If both parents are carriers for thalassaemia, which is an autosomal r

1.	If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
A.	25%
B.	100%
C.	No chance
D.	50%
Answer» B. 100%