Answer:
C. both a and b are correct
Explanation:
#carry on learning
The given mutation of the DNA segment ctc ctc ttc to ctc ctt ttc is a known type of mutation in the gene for beta-globin. The translated protein remains unchanged because both the CTT and CTC codons code for the amino acid glutamic acid.
Mutation can cause instant adaptation while natural selection is the process by which adaptation occurs over a series of generations.
