Genetics and Genomics

What is recombinant DNA?
Answered by Discovery Channel
  • Discovery Channel

    Discovery Channel

  1. DNA is incredibly tiny and fragile considering its function as our body's genetic-code keeper. When cells divide, they copy their DNA and pass it on to the new cells, giving them the same genetic instructions. Scientists have learned how to separate and attach DNA by genetic engineering. They can take pieces of DNA from one organism and attach it to another; this is called recombinant DNA. Robert Tamarin, author of "Principles of Genetics," says that human DNA can be inserted into bacterial or yeast DNA, which then follow the genetic instructions of the human DNA and replicate it to make human proteins. This manipulation of DNA can be used for medical and research purposes.

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