Is Parenting Relevant to Temperament?

Genetic studies of children's temperament have revealed something quite interesting, which is that the shared environment that children have within a family. To say, doesn't have that much effect on your temperament or his temperament. And so then you could make it appear as though parenting isn't that relevant in relationship to the development of temperament. But you could also suggest something else. You could suggest that if parenting is ring properly, the effect of the shared environment should be very close to zero....