&gt; Then I learned how IQ is highly correlated to genetics (from 0.75 to 0.8).<p>The correlation of IQ to heredity varies based on the relation, and isn&#x27;t nearly as strong for parent-child.<p>Same person (tested twice) .95<p>Identical twins—Reared together .86<p>Identical twins—Reared apart .76<p>Fraternal twins—Reared together .55<p>Fraternal twins—Reared apart .35<p>Biological siblings—Reared together .47<p>Biological siblings—Reared apart .24<p>Unrelated children—Reared together—Children .28<p>Unrelated children—Reared together—Adults .04<p>Cousins .15<p>Parent-child—Living together .42<p>Parent-child—Living apart .22<p>Adoptive parent–child—Living together .19[60]<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Heritability_of_IQ#Correlations_between_IQ_and_degree_of_genetic_relatedness" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Heritability_of_IQ#Correlation...</a><p>&gt;  I don&#x27;t think that I would personally want to have a child with someone of another race if I know that it would push down his expected average IQ from 100 to 92 or lower, in addition to potentially increasing his testosterone levels<p>Why not just have your mate do an IQ test? People don&#x27;t mate at random: those who value intelligence will select intelligent mates.<p>For that matter, why pick race as your correlating factor? You could also correlate by college major, highest education attained, or wealth:
<a href="http:&#x2F;&#x2F;www.statisticbrain.com&#x2F;iq-estimates-by-intended-college-major&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.statisticbrain.com&#x2F;iq-estimates-by-intended-colle...</a>
<a href="https:&#x2F;&#x2F;brainsize.wordpress.com&#x2F;2014&#x2F;06&#x2F;02&#x2F;iq-years-of-education&#x2F;" rel="nofollow">https:&#x2F;&#x2F;brainsize.wordpress.com&#x2F;2014&#x2F;06&#x2F;02&#x2F;iq-years-of-educa...</a><p>Race is a tricky thing in the US. It encompases not only genetics, but also social status, wealth and access to resources, etc. It also isn&#x27;t the end-all-be-all, since even with all these factors the top 1% of every race will beat the average of any race: <a href="https:&#x2F;&#x2F;commons.wikimedia.org&#x2F;wiki&#x2F;File:WAIS-IV_FSIQ_Scores_by_Race_and_Ethnicity.png" rel="nofollow">https:&#x2F;&#x2F;commons.wikimedia.org&#x2F;wiki&#x2F;File:WAIS-IV_FSIQ_Scores_...</a>