Answer:
It has 2 significant figures
Answer: A alleles
Explanation: this is because they are alternate genes that can make up different traits .
Answer:
I think so this is the answer
<span>My answer: Mutations are a change in the genetic structure of a chromosome. Chromosomes contain DNA and RNA, and strands of DNA 'codes' if you will, make up a chromosome.
Hope I helped! :D</span>