Answer:
If the father doesn't have the gene then his son won't have achondroplasia.
Explanation:
One is said to have Achondroplasia, when there is the bone growth disorder which hinders the transformation of cartilage to bone and the affected person mostly turnouts to show signs of dwarfism. It can be inherited and treatment for the correction of spinal or bone problems can be enhanced using growth hormones. There would be more teaching if the couple say that If the father doesn't have the gene then his son won't have achondroplasia because if the mother has it in this case, there are 50 percent chances of passing it on to the son.