A couple has two offspring; one child has an autosomal recessive disease trait and one is normal. What conclusions can you make about the parents?

A couple has two offspring; one child has an autosomal recessive disease trait and one is normal. What conclusions can you make about the parents?





A) One parent must have the autosomal recessive disease.
B) Both parents must have the autosomal recessive disease.
C) One parent is a carrier for the autosomal recessive gene and the other parent is normal.
D) Both parents could be carriers.



Answer: D


Biology

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