Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 4 Biology questions and answers on evolution

Explain the evolutionary basis for the ever changing drugs for malaria treatment.

 (1m 42s)
1081 Views     SHARE

Download as pdf file

Answer Text:
- When plasmodium are exposed to malarial drugs for long, some possess a resistant gene or acquire the gene through mutation hence survive
the drug. The mutant transmits this trait to their offspring establishing a new population of resistant form/mutant.