Heredity and Hereditary Changes Quiz
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Questions and Answers

Who is considered the pioneer of the modern genetics?

  • Walter Sutton
  • Gregor Johann Mendel (correct)
  • Hugo de Vries
  • Oswald Avery

What did the trio of scientists Avery, McCarty and McLeod prove in 1944?

  • That DNA is the carrier of genetic information
  • That all living organisms have DNA as genetic material (correct)
  • That bacteria have DNA as genetic material
  • That viruses have DNA as genetic material

What was the key discovery that helped prove that genes are carried via chromosomes?

  • The model for protein synthesis proposed by Jacob and Monod
  • The emergence of recombinant DNA technology
  • The discovery of DNA as the genetic material
  • The observation of paired chromosomes in grasshopper cells (correct)

What model for the process of protein synthesis in bacterial cells was proposed by Jacob and Monod in 1961?

<p>The transcription and translation model (A)</p> Signup and view all the answers

What is the significance of the emergence of recombinant DNA technology?

<p>It has vast scope in the field of genetic engineering (B)</p> Signup and view all the answers

What are the main applications of the science of heredity mentioned in the passage?

<p>Diagnosis, treatment and prevention of hereditary disorders, and industrial processes using microbes (D)</p> Signup and view all the answers

What is the purpose of the 'Central Dogma' in the process of protein synthesis?

<p>It describes the one-way flow of genetic information from DNA to RNA to proteins. (C)</p> Signup and view all the answers

What is the role of tRNA in the process of translation?

<p>tRNA carries the amino acids to the ribosome and provides the complementary sequence to the codon on mRNA. (C)</p> Signup and view all the answers

What is the significance of the discovery of the triplet codon by Dr. Har Govind Khorana?

<p>It helped to identify the specific sequence of nucleotides that code for each amino acid. (B)</p> Signup and view all the answers

What is the relationship between the DNA strand used for mRNA synthesis and the resulting mRNA sequence?

<p>The mRNA sequence is complementary to the DNA strand used for synthesis. (D)</p> Signup and view all the answers

What is the significance of the process of translocation during protein synthesis?

<p>Translocation involves the movement of the ribosome from one end of the mRNA to the other, covering one triplet codon at a time. (D)</p> Signup and view all the answers

What is the role of mutations in the genetic information of living organisms?

<p>Mutations can cause both minor and significant changes in the genetic information. (B)</p> Signup and view all the answers

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