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Why DNA can differ between individuals

Why DNA can differ between individuals

People of the same species share most of their DNA, but small differences in base sequence still occur. At a particular locus, alternative versions of the same gene are called alleles.

Differences in DNA between individuals of the same species can be exploited for identification and diagnosis of heritable conditions (A-level only) Lesson

  1. A Level
  2. /Biology
  3. /Differences in DNA between individuals of the same species can be exploited for identification and diagnosis of heritable conditions (A-level only)