Question
Children who are born with the genetic disease Phenylketonuria can be put on a special diet that
prevents mental retardation. This illustrates the point that:
• Interventions that target biological processes can change how genotypes are expressed in phenotypes.
Different phenotypic processes might lead to the same genotype.
There is a one-to-one correspondence between genotypes and phenotypes.
• All of the options are true.
Answer
Interventions that target biological processes can change how genotypes are expressed in phenotypes.