Answer:
c. The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
Explanation:
Mutations are changes in DNA sequence that can create genetic variation within the population. Mutations are important for evolution because of their ability to form a new genetic variant (allele) that can be spread to the offspring. If a new variant of a trait formed by a mutation is advantageous and helps the organism to survive and reproduce, it is going to be favourable by natural selection. That variation will more likely be passed to the next generation and remain over time.
Answer: D) Any protein made from mutated DNA will not function properly
Explanation: During replication, DNA polymerase double-checks and removes every newly added wrong nucleotide. This is to maintain high fidelity because if a mutated DNA is synthesized during replication, it will also lead to synthesis of an RNA with an altered nucleotide sequence during transcription and consequently lead to the synthesis of a protein that will not function well during translation.
It's B it helps compare wave lengths of light