Which technology has allowed for exploration beyond our solar system?
space probe
space station
space shuttle
space observatory
O

Space probe

Explanation:

The space station, shuttle, and observatory are inside the solar system. Telescopes are also useful.

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."