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Q: Which of the following determines whether a group of organisms that is from the same genus and species arise from a common source or from different sources?
  • A. Serotyping
  • B. Biotyping
  • C. Phage typing
  • D. DNA hybridization
Correct Answer: Option D - DNA hybridization generally refers to a molecular biology technique that measures the degree of genetic similarity between pools of DNA sequences. It is usually used to determine the genetic difference between two organisms. This has been used extensively in phylogeny and taxonomy.
D. DNA hybridization generally refers to a molecular biology technique that measures the degree of genetic similarity between pools of DNA sequences. It is usually used to determine the genetic difference between two organisms. This has been used extensively in phylogeny and taxonomy.

Explanations:

DNA hybridization generally refers to a molecular biology technique that measures the degree of genetic similarity between pools of DNA sequences. It is usually used to determine the genetic difference between two organisms. This has been used extensively in phylogeny and taxonomy.