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Q:

हाल ही में समाचारों में उल्लिखित ‘जंक DNA’ क्या है?

  • 1
    DNA के गैर-कोडिंग क्षेत्र
  • 2
    DNA के कोडिंग क्षेत्र
  • 3
    DNA का बाह्य क्षेत्र
  • 4
    DNA और RNA
  • उत्तर देखें
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Answer : 1. "DNA के गैर-कोडिंग क्षेत्र"
Explanation :

Using AI, researchers discovered potential cancer drivers in ‘junk’ DNA regions, which are non-coding segments of DNA. While DNA codes for proteins, not all sequences perform this function. Some non-coding DNA produces RNA components, but others have unknown functions and are called junk DNA. In humans, 98% of DNA is non-coding, while in bacteria it is 2%. Evidence suggests that junk DNA may have functional roles through exaptation, acquiring functions beyond natural selection.

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