Mammalia (mammals) have hair or fur and produce milk
Answer:
its option A. bright tail feathers of peacocks during breeding season
Explanation:
Removal of introns and the splicing together of exons.
Introns are regions of the DNA code that do not code for amino acids; therefore, they need to be removed before the mRNA strand is translated. Exons are the parts of the strand that do code for proteins, so they need to be pieced together once the introns are removed.
