Byzantine art is almost entirely concerned with religious expression and, more specifically, with the impersonal translation of carefully controlled church theology into artistic terms. Its forms of architecture and painting grew out of these concerns and remained uniform and anonymous, perfected within a rigid tradition rather than varied according to personal whim; the result was a sophistication of style and a spirituality of expression rarely paralleled in Western art.
There is only one allele and so there would be like a 25% chance that the person would get it and so it kind of has to be dominate (I think o could of worded that Better but o cant think of the words to make it clearer)