The insertion or deletion of a single base pair of dna results in a
a. missense mutation
b. nonsense mutation
c. duplitaion mutation
d. frameshift mutation

Frameshift mautation.

Explanation:

Mutation may be defined as the sudden, heritable change in the DNA sequences of the organisms. Either a single DNA or a whole chromosome may get change due to mutation.

The insertion or deletion of a single base pair is known as point mutation. This mutation can change the reading frame and thus is considers as the frameshift mutation.

Hence, the correct answer is option (d).

cardiovascular system

mark as brainliest

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation: