When 2- to 3-Year-Old Children Speak, They

question 216

Multiple Choice

When 2- to 3-year-old children speak, they

• A) speak better than they understand speech.
• B) seldom say a sentence they have not already heard someone else say.
• C) overgeneralize grammatical rules.
• D) use many verbs but few nouns.

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Definitions:

Oncogenes

Genes that have the potential to cause cancer when mutated or expressed at high levels.

Apoptosis

A process of programmed cell death that occurs in multicellular organisms, enabling the removal of cells that are no longer needed or are a threat to the organism.

Telomeres

The protective caps at the ends of chromosomes that prevent the loss of genetic information during cell division.

Barr Bodies

Inactive X chromosomes present in the nuclei of female cells, visible as dense spots, and used in genetic and gender testing.