Modern Trends in Classification · NCERT Biology

Cytotaxonomy is based on cytological information like:

  1. Chromosome number, structure, and behavior
  2. DNA sequence of the mitochondria
  3. Chemical secretions of the cell
  4. Amino acid sequence of insulin
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Correct answer: Chromosome number, structure, and behavior

Cytotaxonomy uses microscopic details of cells, specifically focusing on the number, shape, and meiotic behavior of chromosomes to resolve taxonomic confusion.

Difficulty: Medium Question 7 of 20

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