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The question asks which recent scientific achievement is not correctly matched with the country.
Option 1 states that the United Kingdom created the first human chromosome. This is correct as UK scientists made the first synthetic human chromosome in 2014.
Option 3 mentions that the USA guided a spacecraft for collision with a comet. This is accurate as the USA`s NASA Deep Impact mission did exactly this in 2005.
Option 4 states that Japan landed a spacecraft on an asteroid. This is true as the Japanese spacecraft Hayabusa2 successfully landed on asteroid Ryugu in 2018.
Option 2 indicates that Germany cloned a human embryo for the first time, which is the incorrect match. It was actually scientists in South Korea who achieved this feat. Hence, the correct answer is option 2.