Plz help thanks Q. In some types of colon cancer, stem cells have a mutation in the APC gene. What happens if the APC gene is mutated?

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

i was thinking 4.0 v hope this

the electromagnetic energy from the sun arrives in the form of visible and invisible light.