Question

The diagram shows an original sequence of DNA and then a mutated sequence of DNA

Original : AT, AT, AT, CG, CG, CG, GC, GC, GC

Mutated : AT, AT, AT, CG, AT, CG, GC, GC ,GC

Which type of mutation took place?
F: Deletion H: Substitution
G: Insertion I: Translation

Answer 1

H; Substitution, because in the original strand “CG” was replaced (or substituted) by “AT” in the mutated strand.