You are making faulty comparisons here founditt. There are just as many experts that state being 'gay' has nothing to do with genetics at all. I have also read personal blogs of 'gay' people who state that feelings for the same sex and being 'gay' did not begin until later adolescence and adulthood.

You are comparing apples to oranges. Being 'gay' and being 'black' are not synomynous with one another.