Which Model BEST Explains Inheritance of Complex Traits Such as Height

question 20

Multiple Choice

Which model BEST explains inheritance of complex traits such as height, weight, and IQ?

• A) control of the traits by a single gene with dominant and recessive alleles
• B) control of the traits by two genes with independent assortment
• C) control of the traits by more than one gene with no effect of the environment
• D) control of the traits by more than one gene plus environmental effects
• E) control of the traits by environmental factors and not genetic factors