The heritability of intelligence as measured by IQ tests changes with socioeconomic status (SES). When participants are of high SES, heritability is high; when participants are of low SES, heritability is near zero. Which statement best explains this observation? monozygotic (MZ) twins occur less frequently amongst parents of high SES monozygotic (MZ) twins occur less frequently amongst parents of low SES there is greater variation in IQ scores amongst participants of high SES there is greater variation in IQ scores amongst participants of low SES heritability only applies to the specific population and specific environment in which it is measured

The heritability of intelligence as measured by IQ tests changes with socioeconomic status (SES). When participants are of high SES, heritability is high; when participants are of low SES, heritability is near zero. Which statement best explains this observation? monozygotic (MZ) twins occur less frequently amongst parents of high SES monozygotic (MZ) twins occur less frequently amongst parents of low SES there is greater variation in IQ scores amongst participants of high SES there is greater variation in IQ scores amongst participants of low SES heritability only applies to the specific population and specific environment in which it is measured

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter18: Genetics Of Behavior

Section: Chapter Questions

Problem 7QP: Perfect pitch is the ability to identify a note when it is sounded. In a study of this behavior,...

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		monozygotic (MZ) twins occur less frequently amongst parents of high SES
		monozygotic (MZ) twins occur less frequently amongst parents of low SES
		there is greater variation in IQ scores amongst participants of high SES
		there is greater variation in IQ scores amongst participants of low SES
		heritability only applies to the specific population and specific environment in which it is measured