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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?

The transcription and translation model Signup and view all the answers

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

It has vast scope in the field of genetic engineering Signup and view all the answers

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

Diagnosis, treatment and prevention of hereditary disorders, and industrial processes using microbes Signup and view all the answers

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

It describes the one-way flow of genetic information from DNA to RNA to proteins. Signup and view all the answers

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

tRNA carries the amino acids to the ribosome and provides the complementary sequence to the codon on mRNA. Signup and view all the answers

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

It helped to identify the specific sequence of nucleotides that code for each amino acid. Signup and view all the answers

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

The mRNA sequence is complementary to the DNA strand used for synthesis. Signup and view all the answers

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

Translocation involves the movement of the ribosome from one end of the mRNA to the other, covering one triplet codon at a time. Signup and view all the answers

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

Mutations can cause both minor and significant changes in the genetic information. Signup and view all the answers