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Wordabulary

point mutation

Pronunciation
Noun B2 Upper-intermediate

Quick answer

A change involving just a single base in a DNA sequence.

"A single point mutation in the gene was enough to change one amino acid in the resulting protein."

Test yourself

Which word fits the gap? "A single _____ in the gene was enough to change one amino acid in the resulting protein."

Answer: point mutation

In your own words, what does "point mutation" mean?

A change involving just a single base in a DNA sequence.

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