A particular allele variant of the serotonin transporter gene SLC6A4 appears to cause children to be:

Question

Quizplus · Accepted Answer

The particular allele variant of the serotonin transporter gene SLC6A4 is the 5-HTTLPR variant, and it has been shown to cause increased reactivity to environmental influences in children, meaning that they are especially responsive to their rearing environment. This has been demonstrated in multiple studies, and is the most well-established effect of this variant. While there may be other effects of this variant, such as on fearfulness or moral reasoning, these have not been as consistently demonstrated in the literature.

A Particular Allele Variant of the Serotonin Transporter Gene SLC6A4