Question

select the correct answer. which type of mutation does the change in this nucleotide sequence represent? gcttagcgc → gcttatagcgc a. duplication b. inversion c. substitution d. translocation

Explanation:

A duplication is adding extra copies of a segment. An inversion flips a segment. A substitution replaces one nucleotide with another. A translocation moves a segment to a non - homologous chromosome. Here, a single nucleotide 'G' is replaced by 'TA', which is a substitution.

Answer:

C. substitution