👉 In genetics, a "hermatypic" gene refers to a gene that is expressed in somatic cells (cells not derived from germ cells) but is not expressed in germ cells. This means that this gene is present in somatic cells of an organism, but it does not function as expected due to the absence of a corresponding germ cell or germ line for its expression. For example, if a gene with the hermatypic name "hsp90" (for "heat
