Henry and Heidi Are Proud New Parents

question 7

Multiple Choice

Henry and Heidi are proud new parents. Based on the information in the text, you can predict that Lauren, their new baby, will most likely:

• A) walk easily before she is 10 months of age.
• B) be able to sit without support before she will be able to roll over.
• C) be able to roll over before she will be able to sit without support.
• D) begin walking at exactly the same age as her older brother did.

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Definitions:

Pincer Grasp

The coordination of the index finger and thumb to grasp small objects, a significant milestone in infant motor skill development.

Canalization

The genetic and environmental process by which the development of an organism is directed toward a predetermined phenotype, regardless of minor environmental or genetic variations.

Myelinated Neurons

Nerve cells that have been covered with a myelin sheath, which increases the speed at which electrical impulses are conducted.

Connections

Relationships or associations between people, places, or things, often implying a network of interactions.