How to pronounce “preform” in English

Unlike preformation theory, epigenesis did not necessarily require any input from God.

My father preformed the first kidney transplant in Mexico and Latin America.

In stark contrast to preformation theory, which fitted quite well with orthodox Christian views of the time, stirred something called epigenesis.

The first was a system called preformation.

So he turned back to preformation theory, but a slightly modified version of preformation theory in which a force called irritability could take a minuscule, preformed person

He gave the example of a preformed embryo contained within its mother's body, which was stimulated when it came into contact with male semen.

So the most common version of preformation theory at this time said that the preformed germ of a person, a plant, or an animal

And this result was used to undermine preformation theory.

would proceed people to believe in his version of preformation theory.

might mean that generation occurred in a way that could not be explained by preformation theory.

You've just seen the DARPA Robotics Challenge recently, where robots are walking and preforming activities.

But although the correspondence between these two men stopped, the debate between preformationists and epigenesists continued for the rest of the century.

When he was young, Haller had studied in the Netherlands, and he learned about preformation theory and accepted it as true.