Question

State the best known contribution of:
(i) Alec Jeffery
(ii) P.K. Sethi
(iii) Hugo de Vries

Answer 1

(i) DNA fingerprinting: DNA fingerprinting was first used for sample identification after the geneticist Alec J. Jeffreys discovered that there are patterns of genetic material that are unique to almost every individual.
(ii) P.K. Sethi developed the Jaipur foot, which is a prosthetic limb that is inexpensive and flexible.
(iii) Hugo de Vries is the father of mutation studies. Hugo de Vries gave mutation theory and the importance of chance events i.e., mutations during evolution.