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Genetics

Molecular basis of heredity Practice Questions

20 free Molecular basis of heredity practice questions for the Zoology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Molecular basis of heredity questions

20 questions
  1. Q1. The molecular basis of heredity primarily involves the study of:
  2. Q2. Which molecule serves as the genetic material in most living organisms?
  3. Q3. DNA is composed of repeating units called:
  4. Q4. Which nitrogenous base is found only in RNA?
  5. Q5. The double helical structure of DNA was proposed by:
  6. Q6. In DNA, adenine pairs with:
  7. Q7. Which bond links nucleotides together in a DNA strand?
  8. Q8. DNA replication is described as semi-conservative because:
  9. Q9. Which enzyme is responsible for synthesizing new DNA strands?
  10. Q10. The enzyme helicase functions to:
  11. Q11. Short DNA fragments formed during lagging strand synthesis are called:
  12. Q12. Which process converts genetic information from DNA to RNA?
  13. Q13. The enzyme involved in transcription is:
  14. Q14. Which RNA carries amino acids to the ribosome during protein synthesis?
  15. Q15. The sequence of three nucleotides on mRNA that codes for an amino acid is called:
  16. Q16. Translation occurs at the level of:
  17. Q17. The genetic code is described as degenerate because:
  18. Q18. A mutation is best defined as:
  19. Q19. Which type of mutation involves substitution of a single nucleotide?
  20. Q20. The central dogma of molecular biology describes the flow of information from: