occurs by natural selection.

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

What enzyme is most important for dna replication and why?

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2