White skin (w) is dominant over yellow skin (w) in chickens. which of the following genotypes would result in a white-skinned chicken that could possibly have yellow-skinned offsprings?

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?