Wilhelm Johannsen (3 February 1857 – 11 November 1927) was a Danish pharmacist, botanist, plant physiologist, and geneticist. He is best known for coining...

as caddisfly larva cases and beaver dams as "extended phenotypes". Wilhelm Johannsen proposed the genotype–phenotype distinction in 1911 to make clear...

amateur economist Oskar Augustus Johannsen (1870–1961), American entomologist, specialist of Diptera Wilhelm Johannsen (1857–1927), Danish botanist, plant...

introduced by Danish botanist, plant physiologist, and geneticist Wilhelm Johannsen in 1909. It is inspired by the ancient Greek: γόνος, gonos, that means...

same genotype. The term genotype was coined by the Danish botanist Wilhelm Johannsen in 1903. Any given gene will usually cause an observable change in...

argued that selection on such characteristics would be ineffective. Wilhelm Johannsen's "pure line" experiments on Phaseolus vulgaris beans appeared to refute...

in proteins are connected by amino group-acid group bonds. 1909 – Wilhelm Johannsen coined the word "gene." 1911 – Thomas Hunt Morgan proposed that genes...

their evolution. The terms "genotype" and "phenotype" were created by Wilhelm Johannsen in 1911, although the meaning of the terms and the significance of...

was hotly contested by some famous geneticists: William Bateson, Wilhelm Johannsen, Richard Goldschmidt and T.H. Morgan, all of a rather dogmatic turn...

units pangenes, a term 20 years later to be shortened to genes by Wilhelm Johannsen. To support his theory of pangenes, which was not widely noticed at...