Multiple choice

Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution?

  1. Development of transgenic animals.

  2. Production of 'Dolly', the sheep by cloning.

  3. Prevalence of pesticide resistant insects.

  4. Development of organs from 'stem cells' for organ transplantation.

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

The emergence of pesticide resistance in insects is a direct observation of natural selection in action, where individuals with a random mutation that confers resistance survive and reproduce, passing the trait to offspring.