Viral Reproduction Lysogenic Cycle Educational Resources K12 ... - Free Printable

Let’s go step by step to understand what’s happening in this diagram.

We start with one cell (step 1) that has a green loop inside — let’s call this the original DNA or genetic material.

In step 2, something red (maybe an enzyme or tool) comes and cuts the green loop at one spot. You can see a little red line appearing on the green loop.

In step 3, the red thing is still there, and now the cut is more visible — the green loop is broken open into a straight piece with red ends? Wait — actually, looking closely, it seems like the red part is inserted or attached to the green loop after cutting.

Then in step 4, we have one cell again, but now the green loop has a red segment attached to it — so it’s been modified.

Step 5 shows the cell dividing — now there are two cells, each with the same modified green loop (with the red part).

Finally, step 6 shows those two cells separating into individual cells — each still has the modified green loop with the red part.

So overall, this looks like a process where:

- A piece of foreign DNA (red) is inserted into a circular DNA (green) in a cell.
- The cell then divides, and both new cells get the modified DNA.
- This is how scientists make copies of genes — they insert a gene into bacteria, and when the bacteria divide, all the new bacteria have that gene too.

This is called gene cloning or recombinant DNA technology.

The key idea: One cell gets modified → it divides → now you have many identical cells with the same modification.

Final Answer:
This diagram shows how a gene (red) is inserted into a bacterial cell’s DNA (green), and then the cell divides to produce multiple identical cells, each carrying the new gene. This is used to clone genes for research or medicine.