Yes because organism have their own dna if something in rna changes the whole thing changes. If the rna changes the protein will change. Like an insertion,deletion or substitution will change the coding.
I assume the question is referring to peppered moths in which case
The black species of peppered moths which previously stood out against the white tree bark will now blend in because of the layer of soot covering the trees, causing their numbers to rise. Furthermore the white moths which used to blend in will now be chosen against and their populations will fall.
B. DNA is double stranded, with the two strands both in the form of a helix entwined around each other like the strands of a rope.
