Intelligence is a trait that is
A) influenced by the effects of large numbers of genes working together.
B) determined by a relatively small number of recessive genes.
C) determined from the karyotype of the father.
D) characterized by a lack of plasticity toward extreme environmental features.

Question

Quizplus · Accepted Answer

Intelligence is influenced by the combined effects of many genes, a concept known as polygenic inheritance, rather than being determined by a small number of genes, the karyotype of one parent, or being inflexible to environmental influences.

Intelligence Is a Trait That Is