Adoption Studies Reveal That __________

question 111

Multiple Choice

Adoption studies reveal that __________.

• A) adopted children show a significant decline in IQ across middle childhood and adolescence, regardless of rearing conditions
• B) children of low-IQ biological mothers adopted at birth by parents who are well above average in income and education do as well as children of high-IQ biological mothers placed in similar adoptive homes
• C) genetic factors play a much greater role in IQ than environmental factors but have been overlooked in heritabilities, which typically underestimate genetic influences
• D) children of low-IQ biological mothers adopted at birth by parents who are well above average in income and education score above average in IQ during the school years

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Definitions:

Submandibular Gland

A salivary gland located beneath the floor of the mouth, responsible for producing saliva.

Sublingual Gland

A salivary gland located beneath the tongue, responsible for secreting saliva to aid in digestion.

Saliva

A watery fluid secreted into the mouth by glands, containing enzymes that initiate the breakdown of carbohydrates during digestion.

Divided

Separated into parts or pieces; often used to describe roads or cells that split into two or more pathways or segments.