Trisomy 18 Is Also Called Down Syndrome

question 16

True/False

Trisomy 18 is also called Down syndrome.

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Definitions:

Syntax

The set of rules, principles, and processes that govern the structure of sentences in a given language, including word order.

Vocabulary Growth

The process of acquiring new words and expanding one’s range of vocabulary over time.

Under-Extension

A linguistic phenomenon, often observed in children's language development, where a word is used too restrictively, applied to fewer objects than it actually represents.

Overextension

A language development error wherein a child applies a word too broadly to objects that do not fit the word's meaning.