Here. At three years old, they both scored the same. But …
Jane North: Her mother read to her long before she was born (a guided-reading program for expectant mothers).
Jane South: In her world, adults read landlord’s notices, bills, and sometimes the TV listings. No one reads for pleasure.
North: Her class at the advanced prep school is studying “Unemployment: A Social Issue.” She has shown great skill in drawing charts.
South: Her mother keeps warning her that if she loses her job as a hospital janitor, they’ll lose the apartment too. They may have to move out of state to live with her sister.
Will the two girls still score the same at ten years old?
The “it’s-in-the-genes” approach to genetic inheritance overlooks the fact that an inheritance of any kind is an opportunity, not a prophecy. More at The Best Schools.
How the inheritance is treated matters. That is as true of IQ potential as of any other factor.