The Fact That Children as Young as 15 Months Can

question 44

True/False

The fact that children as young as 15 months can talk differently to a younger or handicapped child demonstrates a challenge to Piaget's egocentric thought theory.

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Definitions:

Recessive Alleles

Alleles that produce their characteristic phenotype only when two copies are present, as opposed to dominant alleles which can express with only one copy.

Phenotype

describes the observable characteristics or traits of an organism, resulting from the interaction of its genetic composition with the environment.

Heterozygous Carriers

Individuals who have one copy of a recessive gene and one normal gene for a particular trait, potentially passing the recessive gene to their offspring.

Sickle-cell Gene

The sickle-cell gene is responsible for producing abnormal hemoglobin that can lead to sickle-cell anemia, a genetic blood disorder causing red blood cells to assume a sickle shape.