New version: (Click Here)

Prepare for your medical exam, USMLE, MCCEE with a FREE MCQs and clinical cases! ECG, CXR and all types of free medical MCQs with answers, good luck! Medical MCQs from students to students.

Which of the following mutations is most likely to be lethal?

  1. Substitution of adenine for cytosine

  2. Substitution of cytosine for guanine

  3. Substitution of methylcytosine for cytosine

  4. Deletion of three nucleotides

  5. Insertion of one nucleotide 


in Biochemistry by

1 Answer

0 votes
Best answer
e. Insertion of one nucleotide