Modern Trends in Classification · NCERT Biology

Which molecule is primarily used to study the molecular phylogeny of mitochondria?

  1. Nuclear chromosomal DNA
  2. Mitochondrial DNA (mtDNA)
  3. Hemoglobin molecule
  4. Chlorophyll molecule
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Correct answer: Mitochondrial DNA (mtDNA)

Mitochondrial DNA (mtDNA) is inherited maternally and evolves relatively quickly. It is an excellent tool for studying evolutionary relationships and tracing human ancestry.

Difficulty: Medium Question 17 of 20

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