Genetics and Molecular Biology Quiz

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Questions and Answers

What is a gene?

  • Different forms of the same gene
  • A segment of DNA containing instructions for building and maintaining an organism (correct)
  • A thread-like structure made of DNA and proteins found in the nucleus of a cell
  • The basic unit of heredity

What are alleles?

  • A segment of DNA containing instructions for building and maintaining an organism
  • A thread-like structure made of DNA and proteins found in the nucleus of a cell
  • Different forms of the same gene (correct)
  • The basic unit of heredity

What do chromosomes consist of?

  • Segments of DNA containing instructions for building and maintaining an organism
  • The basic units of heredity
  • Different forms of the same gene
  • Thread-like structures made of DNA and proteins found in the nucleus of a cell (correct)

What is the Central Dogma?

<p>Process involving DNA replication, transcription, and translation (B)</p> Signup and view all the answers

What can scientists trace by comparing DNA sequences of various organisms?

<p>Common ancestry and identify similarities and differences that have arisen over time (A)</p> Signup and view all the answers

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