KROK 1 2018 – Question 87 · KROK (Medicine) · Biology

A mutation has occurred in a cell in the first exon of the structural gene. The number of nucleotide pairs changed from 290 to 250. Name this type of mutation:

  1. A. Deletion
  2. B. Inversion
  3. C. Duplication
  4. D. Nullisomy
  5. E. Translocation
Hint

Compare the number of nucleotide pairs before and after the change and ask whether genetic material was gained, lost, turned around or moved to another place.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Biology