Multiple choice

Variations cannot occur due to _____.

  1. crossing over

  2. mutation

  3. effect of environment

  4. asexual reproduction

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

Asexual reproduction produces genetically identical offspring through mitotic cell division, without the genetic recombination that occurs during sexual reproduction. This lack of meiosis and genetic mixing means significant variations cannot arise through asexual reproduction alone.