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Taka Posted 20 years ago
Grammar

photograph

Because genetic alteration build up naturally within any species over time, at a rate that can be estimated, comparing parallel DNA sequences yields an instant photograph of genetic closeness and distance.

My book interprets 'an photograph' above literally as 'an photo taken by a camera', but is it really so? I thought the underlined part meant somethig like: 'When we compare parallel DNA sequence, we can see genetic closeness and distance easily'. So I thought 'photograph' here was a metaphor for 'image'.

Am I wrong?
  

Top answer

No. You are not wrong. 'photograph' is a metaphor for 'image' in that context.

  • No.
  • You are not wrong.
  • 'photograph' is a metaphor for 'image' in that context.
  • CJ
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2 Answers
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No. You are not wrong. 'photograph' is a metaphor for 'image' in that context.
CJ
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Glad I was right.

Thank you, CJ!

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