Recent Genetically-Informed Designs (For Example, Twin Studies) Reveal That Most

Recent genetically-informed designs (for example, twin studies) reveal that most of the influence that parents have on their children's achievement attitudes and readiness for school reflects

A) hidden genetic effects
B) impacts of such genetically-influenced attributes as child temperament or IQ on parenting practices
C) such shared environmental influences as character of the home environment or patterns of parenting that twin siblings share
D) the quality of attachments that twins had with their parents
E) hidden genetic effects and impacts of such genetically-influenced attributes as child temperament or IQ on parenting practices