In Crow's Foot Notation, an Optional Relationship Between Entities Is

question 55

Short Answer

In Crow's Foot notation, an optional relationship between entities is shown by drawing a(n) _____ on the side of the optional entity.

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Definitions:

Mosaicism

A condition in which an individual has two or more genetically different sets of cells in their body.

Translocation

A cause of Down syndrome in which part of the 21st chromosome of the human cell breaks off and attaches to another. Individuals with Down syndrome due to translocation have all of the features found in trisomy 21.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and mild to moderate intellectual disability.

Non-social Environment

An environment lacking social interaction or influences, often used to study behaviors or responses without the effect of social factors.