There are three main types of mutation present for DNA. They are substitution, insertion and deletion. Substitution is the exchange of one base for another. Insertion happens where extra base pairs are inserted. Deletions are mutations where a section of DNA is lost. Therefore, the correct answer is substitution.
I think it's d but I'm not sure!!
Life would be very hard because then they may not be able to survive <span />
Sexual Reproduction: There is more genetic diversity, it promotes survival, and removes bad genes from the population.
Asexual Reproduction: It is faster, and no mates are required.
Brainliest answer, please?