Multiple choice

Why can mutations be beneficial to organisms?

  1. recombined genes can improve DNA stability

  2. mitosis becomes the main way to reproduce asexually

  3. DNA creates more additional nucleotides

  4. Phenotypic change may create an advantage for survival

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mutations introduce new genetic variations. If a mutation results in a phenotype that provides a survival or reproductive advantage in a given environment, it is considered beneficial.