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Old 06-23-2016, 04:04 PM
md2000 md2000 is offline
Join Date: Feb 2009
Posts: 13,435
Another factor might be fat accumulation. As mentioned by others, the breasts contain a large amounts of fat. My general observation again has been that fat distribution can vary - some layer it on lower more on the butt, some higher, some around the middle, some mainly on the stomach, some all over... especially for women. Generally, men accumulate fat either mainly on the stomach, or all over. So there may not exactly be a breast-size gene as a "where shall I store accumulated fat" gene that gives a certain amount of preference to the breasts.