Down Syndrome Occurs About Once in Every How Many Births

question 67

Multiple Choice

Down syndrome occurs about once in every how many births?

• A)1,000
• B)700
• C)250
• D)100
• E)8

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Definitions:

Stimulus

A Stimulus is any event or situation that evokes a response from an organism in a sensory way or through psychological interaction.

Perceptual Equivalence

The phenomenon where different stimuli are perceived as identical due to the perceptual system's interpretation, leading to a consistent perception of an object regardless of changes.

Spatial Equivalence

The concept that two or more entities occupy the same area or space in relation to each other.