The only way that a child can have more codons than those found in the DNA of their parent is if insertion mutation occurs during DNA replication.
Mutation refers to a sudden change in the DNA sequence of organisms. It could happen by the addition or insertion of nucleotide bases, substitution of bases, deletion of bases, or rearrangement of the base sequence.
Insertion occurs when a foreign DNA sequence inserts itself in the DNA of an organism. Thus, the number of codons increases as compared to before the insertion.
More on insertion can be found here: https://brainly.com/question/10361716?referrer=searchResults
