Describe how the polymerase chain reaction works:

After only two cycles of replication, four copies of the double-stranded DNA exist. Calculate how much a DNA sample will have increased after: (a) 10 cycles: ______ (b) 25 cycles: ______

Describe what occurs during a polymerase chain reaction (PCR).

Describe what happens during polymerase chain reaction.

Describe the steps in a polymerase chain reaction.

Explain how a human gene is removed from a chromosome and placed into a plasmid.