当卵子受精时，这些物质变得活跃起来，并可能控制与它们相互作用的基因的行为。
When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.
基因和环境以许多复杂的方式相互作用，塑造个体并指导他们的行为，包括他们的好奇。
Genes and the environment interact in many complex ways to shape individuals and guide their behavior, including their curiosity.
在某种程度上来说，他们仅是基因而已，行为可能是无数基因相互作用的结果，而这些没有数十年不可能被完全理解的。
To the extent they are genetic at all, behavioural outcomes are probably the result of the interaction of myriad genes in ways that are decades from being fully understood.
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