And what that means is both of these hereditary factors express the toll trait. And so to represent the toll trade, let's use uppercase T. And to represent the short trait, let's use lowercase C. So a true breeding toll plant is uppercase T uppercase T while the true breeding shore plant is lowercase T. Lowercase T. Because both of these hereditary factors which we now know to be genes must represent the trait for that shore plant. Now, when we combine these two individuals, when we combine these two plants, we get the offspring, the f one generation that contains one gene, one hereditary factor that came from one parent and the other one came from the other parent. So upper case T, lowercase T. Now, no matter how many times he conducted this experiment, he always got a tall offspring. So what that means is even though that lowercase T is inside that offspring, only the uppercase T is actually expressed. And so what that implies is that uppercase T is dominant over the lowercase T, which is recessive.