हिंदी

What percentage of DNA sequence is identical among all humans?

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प्रश्न

What percentage of DNA sequence is identical among all humans?

विकल्प

  • Approximately 95% identical

  • Approximately 100% identical

  • Approximately 99.9% identical

  • Approximately 90% identical

MCQ
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उत्तर

The DNA sequence is approximately 99.9% identical among all humans. This high degree of identity underscores the fundamental genetic unity of humanity, while the remaining 0.1% variation contributes significantly to individual differences and is largely attributed to single-nucleotide polymorphisms (SNPs) and other genetic variants.

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