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Regarding the Twin Studies on Intelligence, Twins Who Develop from Two

question 82

Essay

Regarding the twin studies on intelligence, twins who develop from two separate eggs fertilized at the same time are known as __________ twins.


Definitions:

Conjugated System

A chemical structure where alternating single and multiple bonds create a system of connected π-electrons, leading to unique stability and reactivity.

UV Absorption

The process by which a substance absorbs ultraviolet light and thereby undergoes a transition from a lower to a higher energy state.

Vitamin

Organic compounds required in small amounts for essential metabolic reactions in living organisms, typically not synthesized by the organism itself.

UV-visible Energy

Electromagnetic energy in the ultraviolet to visible spectrum, crucial for processes like photosynthesis and often used in spectroscopy for analyzing substances.

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