Yeah, that was the one.
The headline is misleading, I admit. The gene in question, CCR5, seems to be correlated with memory in some way. The absense of an extra copy of this gene in the twins should have an impact on how their memory performs.
Existing studies of CCR5 have focused on its effects in mice, but according to the linked report, its absence in humans seems to correlate with how many years of schooling are completed.
The headline is misleading, I admit. The gene in question, CCR5, seems to be correlated with memory in some way. The absense of an extra copy of this gene in the twins should have an impact on how their memory performs.
Existing studies of CCR5 have focused on its effects in mice, but according to the linked report, its absence in humans seems to correlate with how many years of schooling are completed.