No way that is a real question you have to answer.
Making changes in the dna of organism is called mutation
The character trait that defines the boy in Casabianca is: <u>his loyalty.</u>
Casabianca is the name of the young boy who is one of the major character sin "Casabianca".
In Casabianca, the boy, out of loyalty and having a strong sense of duty, had to put up bravery to remain at his post on a French ship that caught fire during the attack of the British.
In spite of the obvious dangers, he remained at his post while waiting for orders from the captain (his dad).
Therefore, the character trait that defines the boy in Casabianca is: <u>his loyalty.</u>
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