A Primary Key Is an Attribute That Uniquely Identifies Each

question 32

True/False

A primary key is an attribute that uniquely identifies each row in a relation.

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Definitions:

Epigenetic

The study of changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence.

Individual Differences

Variations among individuals in their psychological traits, behaviors, and physiological responses.

Epigenetic Marks

Chemical modifications to DNA and histone proteins that regulate gene activity without altering the DNA sequence, affecting how cells read genes.

Behavior Geneticists

Scientists who study the role of genetic and environmental influences on behavior.