Select the choices that are true statements of the similarities between dna and rna

Dna is colied into chromosomes in a cell

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

Is dna the same in every cell in the human body explain your answer