Question

The terms 'genotype' and 'phenotype' were introduced by

• A. Bateson
• B. Darwin
• C. Johannsen
• D. Mendel

Answer 1

The correct option is C Johannsen

(A) Bateson was the first to use the term genetics to describe the study of heredity. He popularised the ideas of Mendel in 1900 along with Hugo de Vries and Carl Correns.
(B) Darwin contributed to the science of evolution. He gave the theory of the 'survival of the fittest'. His propositions that the species of life have descended over time from common ancestors is also widely accepted.
(C) The terms 'genotype' and 'phenotype' were introduced by Wilhelm Johannsen in 1903. He also conducted pure line (true breeding) experiments in genetics.
(D) Mendel conducted the experiment on pea plant and gave Mendelian laws of inheritance like the law of dominance, the law of segregation and law of independent assortment.

So, the correct option is 'Johannsen'.