Biology

Frank Goodman

23 February, 19:07

A couple has two offspring; one child has an autosomal recessive disease trait and one is nornal. 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 are probably carriers