Genetics and Biotech: History and Key Figures

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Questions and Answers

What is the primary function of DNA in eukaryotic organisms?

  • To regulate cell division
  • To synthesize proteins
  • To maintain cell membrane structure
  • To carry genetic information (correct)

Who are credited with the discovery of the double-stranded DNA structure?

  • James Watson and Francis Crick (correct)
  • Albert Einstein and Marie Curie
  • James Watson and Rosalind Franklin
  • Francis Crick and Charles Darwin

What is the term for the complete set of genetic material (DNA) in an organism?

  • Genome (correct)
  • Genotype
  • Chromosome
  • Phenotype

What is the term for the smallest unit of measurement in biology?

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

What is the name of the molecule that carries genetic information from one generation to the next?

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

What is the term for the part of a cell where DNA is organized?

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

Who deciphered the genetic code, which is the information encoded within nucleic acids (DNA/RNA) translated into amino acid sequences that comprise protein molecules?

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

What was the significance of the work done by Paul Berg, Herbert Boyer, and Stanley Cohen in 1973?

<p>They performed the first genetic engineering experiments, creating the first genetically modified organism (GMO). (B)</p> Signup and view all the answers

What is the term for the process where genetic information encoded in DNA is translated into amino acid sequences that comprise protein molecules?

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

What is the unit of measurement for describing the size of a genome?

<p>Base pair (bp) (B)</p> Signup and view all the answers

What was the significance of the development of CRISPR-Cas9 genome editing technology in 2012?

<p>It enabled precise and efficient genome editing. (A)</p> Signup and view all the answers

What has been the trend in the cost of sequencing a mammalian genome from 2001 to 2022?

<p>It has decreased dramatically. (B)</p> Signup and view all the answers

What did Friedrich Miescher isolate from the nuclei of white blood cells?

<p>Nuclein (nucleic acid - DNA) (A)</p> Signup and view all the answers

Who demonstrated that genes are located on specific chromosomes?

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

What was the title of Charles Darwin's 1859 publication?

<p>On the Origin of Species by Means of Natural Selection (A)</p> Signup and view all the answers

What was Rosalind Franklin's contribution to the understanding of DNA?

<p>Provided X-ray crystallography data for DNA analysis (C)</p> Signup and view all the answers

What did Walther Flemming identify in cell nuclei and link to chromosomes and cell division?

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

In what year did Gregor Mendel publish his experiments on inheritance with pea plants?

<p>1866 (C)</p> Signup and view all the answers

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