In what decade was the first commercially successful Polymerase Chain Reaction (PCR) machine introduced to the scientific market?

Test your knowledge about groundbreaking product development in scientific history! Many laboratory tools and scientific instruments we take for granted today were revolutionary innovations when first developed. This trivia question focuses on a pivotal scientific product that changed how researchers approach their work. Do you know enough about scientific product development to identify when this game-changing tool became commercially available?

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1970s, when the PCR technique was first conceptualized by Kary Mullis
1980s, with Perkin-Elmer's launch of the DNA Thermal Cycler after acquiring rights from Cetus Corporation
1990s, following the completion of automated DNA sequencing technology
2000s, when PCR technology became affordable enough for widespread laboratory adoption