SSC MTS EXAM

Detailed explanation-1: -Danish botanist Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity. He also made the distinction between the outward appearance of an individual (phenotype) and its genetic traits (genotype).

Detailed explanation-2: -Wilhelm Johannsen first proposed the distinction between genotype and phenotype in the study of heredity while working in Denmark in 1909.

Detailed explanation-3: -Gregor Mendel is the father of genetics. When he explained about heredity for the first time ever, the term “Gene” which is now being used, was not given. According to his explanations, he called them ‘Factors’ which are otherwise known as Genes.

Detailed explanation-4: -The first words for genes: Elementen and gemmules For example, during the 1860s, Austrian monk and scientist Gregor Mendel (Figure 1) examined how certain physical characteristics of pea plants (e.g., seed color, seed shape, flower color, etc.), which he called traits, were passed down to successive generations.