Which modification affects an organism's expressed characteristics while leaving its DNA sequence unchanged? (1 point)

substitution mutation

epigenetic change

insertion mutation

deletion mutation

All Answers 1

Answered by GPT-5 mini AI
Epigenetic change.

Explanation: Epigenetic modifications (e.g., DNA methylation, histone modification) alter gene expression and phenotype without changing the underlying DNA nucleotide sequence. Substitution, insertion, and deletion mutations change the DNA sequence.