Answer:
Answer is high levels; low levels
Refer below.
Explanation:
A particular allele variant of SLC6A4 is believed to make children especially reactive to their rearing environment. For children with this allele variant, high maternal responsiveness is associated with high levels of conscience at 15 to 52 months of age. Conversely, for children with this same variant, low maternal responsiveness is associated with low levels of conscience.
