History of Genetics in the 20th Century

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Questions and Answers

What is the branch of genetics concerned with the study of the structure and function of chromosomes?

  • Biochemical Genetics
  • Metagenetics
  • Cytogenetics (correct)
  • Quantitative Genetics

Which branch of genetics specifically studies the fundamental relationships between genes, proteins, and metabolism?

  • Ecological Genetics
  • Genetic Engineering
  • Developmental Genetics
  • Biochemical Genetics (correct)

What does Classical Genetics primarily focus on?

  • Mendelian genetics (correct)
  • Gene transcription
  • Chromosomes
  • Population genetics

Which branch of genetics deals with the study of biologically inherited traits influenced by the environment?

<p>Behavioral Genetics (A)</p> Signup and view all the answers

What does Genetic Engineering involve?

<p>Manipulating an organism's genome directly (A)</p> Signup and view all the answers

In genetics, what is the study of continuously measured traits like height and weight called?

<p>Quantitative Genetics (B)</p> Signup and view all the answers

What is the main focus of population genetics?

<p>Studying allele frequency distribution and evolutionary processes (D)</p> Signup and view all the answers

Which branch of genetics studies the genotype and expression system of microbial species?

<p>Microbial Genetics (B)</p> Signup and view all the answers

What is the main focus of molecular genetics?

<p>Studying the structure and function of genes at a molecular level (B)</p> Signup and view all the answers

Which process does population genetics study under the influence of natural selection, genetic drift, mutation, and gene flow?

<p>Allele frequency distribution changes (D)</p> Signup and view all the answers

What is the main contribution of Gregor Johann Mendel to genetics?

<p>Establishment of Mendelian Inheritance principles (D)</p> Signup and view all the answers

Which branch of genetics involves studying hereditary disorders and their management?

<p>Medical Genetics (D)</p> Signup and view all the answers

Who coined the term 'gene' to denote the basic unit of heredity?

<p>Johannse (C)</p> Signup and view all the answers

Which scientist demonstrated that genes are made up of DNA in 1944?

<p>Oswald Avery (D)</p> Signup and view all the answers

In which year was the double helical structure of the DNA molecule discovered?

<p>1953 (C)</p> Signup and view all the answers

Who described gene transcription in 1966?

<p>Thomas Hunt Morgan (A)</p> Signup and view all the answers

How many chromosomes were discovered in humans in 1956?

<p>46 (D)</p> Signup and view all the answers

'Rediscovery of Mendel' was marked in 1900 by which group of scientists?

<p>[Hugo de Vries, Carl Correns, Erich von Tschermak] (B)</p> Signup and view all the answers

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