Unit 4 Quiz

The Texas Adoption Study tested over 1,000 people from 300 different adoptive families. The children's IQ tests were compared with both their birth mother's IQ results and their adoptive mother's IQ tests. Which statement BEST describes the results of the Texas Adoption Study?

A. Intelligence is determined solely by genetics.
B. Intelligence is determined solely by environment.
C. Genetics are a stronger determinant of intelligence later in life.
D. Environment is a stronger determinant of intelligence later in life.

Question

21-07-2024
Biology

Answered

Unit 4 Quiz

The Texas Adoption Study tested over 1,000 people from 300 different adoptive families. The children's IQ tests were compared with both their birth mother's IQ results and their adoptive mother's IQ tests. Which statement BEST describes the results of the Texas Adoption Study?

A. Intelligence is determined solely by genetics.
B. Intelligence is determined solely by environment.
C. Genetics are a stronger determinant of intelligence later in life.
D. Environment is a stronger determinant of intelligence later in life.

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-07-21T17:04:53-04:00

Final answer:

The Texas Adoption Study investigated the role of genetics and environment in intelligence. Genetics have a significant influence on IQ, with a stronger impact as individuals age.

Explanation:

The Texas Adoption Study compared the IQ tests of adopted children with both their biological and adoptive mothers. Research shows that genetics play a significant role in determining intelligence, with between 40% and 80% of IQ variability attributed to genes. Additionally, the study revealed that as children age, genetics become a stronger determinant of intelligence.

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