PREFORMATIONIST

"The preformationist believed that all organisms existed in miniature form within the sperm or egg."

"She encountered a preformationist who argued that all traits are predetermined and present before birth."

"The preformationist theory was discredited with the discovery of genetics and DNA."

"Many preformationists believed in the concept of homunculus, which suggested that a fully formed miniature human developed in the womb."

"The argument between preformationists and epigeneticists raged on for centuries."