An Optional Attribute Occurs Only in an Entity That Is

question 62

True/False

An optional attribute occurs only in an entity that is involved in a relationship with optional participation.

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Definitions:

SES Groups

Refers to socioeconomic status groups, categorizing individuals or families based on income, education, and occupational status.

Heritability Ratios

Heritability ratios are statistical estimates that indicate how much of the variation in a specific trait within a population can be attributed to genetic differences.

Dizygotic Twins

Also known as fraternal twins, they are conceived when two separate eggs are fertilized by two different sperm cells, resulting in two genetically unique siblings.

Releases Two Eggs

Refers to the process during which a female’s reproductive system releases two ova (eggs) during a single menstrual cycle, potentially leading to fraternal twins.