your study is from 2012, newest research found strong correlation between certain genes and educational attainment, stronger than environmental factors like par

your study is from 2012, newest research found strong correlation between certain genes and educational attainment, stronger than environmental factors like parents income[1] your snopes article is about inheriting from mother alone, not parents There IS also a significant difference between births based on income https://www.statista.com/statistics/241530/birth-rate-by-family-income-in-the-us/ https://www.statista.com/statistics/241530/birth-rate-by-fam... 65 births per 1000 women vs 43 births per 1000 women [1] https://www.nytimes.com/2018/07/23/science/genes-education.html https://www.nytimes.com/2018/07/23/science/genes-education.h...