preformation मीनिंग इन हिंदी

अधिक: आगे

These early flowering plants always form their flowers in the previous season, called preformation.
She was published in the Stanford Encyclopedia of Philosophy on " Epigenesis and Preformation ".
The Doctrine of Epigenesis and the Doctrine of Preformation were two distinct views of the understanding of heredity.
"" one of the great controversies, that of preformation versus epigenesis and this was settled primarily by reference to chick development.
In direct opposition, the Doctrine of Preformation claimed that like generates like where the germ would evolve to yield offspring similar to the parents.
His discoveries helped to illuminate philosophical arguments surrounding the topics of " embo�tment ", pre-existence, preformation, epigenesis, and metamorphosis.
Then there is the preformation ( 12 14 years ), comprising some thirty young people, as regards training for its players 14 to 18 years.
This dispatched the theory of preformation and gave some support to the concept of a morphogenetic field, a concept of which Spemann learned from Paul Alfred Weiss.
Consequently, the preformation of suitably protected dipeptide derivatives of the type FMOC-Xaa1-Oxa / THz-OH is preferable for use in peptide synthesis.
This important refutation of both preformation and the mosaic theory of Wilhelm Roux was to be subject to much discussion in the ensuing years, and caused friction among Driesch, Roux and Haeckel.

संज्ञा.

a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
पर्याय: theory of preformation