Once a phage genome has become part of the host chromosome, it is called a .

The answer is prophage.

Explanation:

When a bacteria injects it's genetic material into another cell and that phage genome becomes a part of that cell's/host's chromosome, it is called a prophage and it can replicate itself and produce other phages as instructed.

I hope this answer helps.

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explanation:

bc blah

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.