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Q107 (UPPCS/2024) Science & Technology › Basic Science (Physics, Chemistry, Biology)

Which of the following statements is not true ?

Result
Your answer: —  Â·  Correct: B

Explanation

Statement B is incorrect because the nucleus plays a central and vital role in cellular reproduction. It contains the genetic material (DNA) and directs the process of cell division (mitosis and meiosis) to ensure that hereditary information is accurately passed to daughter cells.

  • Statement A: Chromosomes are indeed composed of DNA and proteins (primarily histones) which help in packaging the long DNA strands.
  • Statement C: Chromosomes are the vehicles of heredity, carrying genetic information from parents to offspring.
  • Statement D: Genes are defined as the functional segments or units of DNA that code for specific proteins or functional RNA molecules.
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