Literally meaning: “genome type”
Origin: Anc Greek
γενεά/ genea(=generation) > γεννώ/geno (=birth to) >
+τύπος/typos(=type, form, shape, appearance) > τύπτω/typto(=hit, stamp)
In 1905 by the Danish botanist Wilhelm Johannsen 1857-1927) who also created the terms of “phenotype” and “gene” based on his studies on bean plants.
Genotype is defined as the the genetic constitution of an organism but usually the term refers to a specific genetic loci responsible for a phenotypic character .