Short Answer:
Mutation is the changing of the structure of a gene
Step-by-step explanation:
Mutation is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
<span> i solved the problem by listing all the possible combinations (123, 124, 125...). But I have a feeling there's a shortcut to solving this problem.I think there is but you get the juist of it </span>
17-hundred blocks 1-ten block 8-ones block
10-hundred blocks 70-ten blocks 18-one block