epigenesis

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Definitions from WordNet

Noun epigenesis has 1 sense

epigenesis - a geological change in the mineral content of rock after the rock has formed
--₁ is a kind of metamorphism

Definitions from the Web

Epigenesis

Definition

Epigenesis is the theory that an organism develops from a germ cell with no predetermined form, and that its parts emerge as the result of a series of progressive differentiations during embryonic development.

Etymology

The term "epigenesis" is derived from the Greek words "epi" meaning "upon" or "in addition" and "genesis" meaning "origin" or "creation".

Senses and Usages

1. Biology

In biology, epigenesis refers to the theory that an organism's form and structure are not entirely determined by its genetic code, but also influenced by environmental factors and interactions.

Example sentence: The research findings suggest that epigenesis plays a crucial role in determining the traits and characteristics of an organism.

2. Psychology

In psychology, epigenesis refers to the development and acquisition of cognitive and psychological abilities as a result of interactions between genetic factors and environmental influences.

Example sentence: The psychologist emphasized the importance of epigenesis in understanding the complex interplay between nature and nurture in human development.

3. Botany

In botany, epigenesis refers to the development of plant structures or organs from undifferentiated cells or tissues, allowing for the growth and formation of new plants.

Example sentence: The process of epigenesis in plants involves cell division, tissue specialization, and differentiation, leading to the formation of leaves, stems, and roots.