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| Description: All three children in this photo have inherited the alleles that cause PKU. The child in the middle was raised on a phenylalanine-free diet and developed normally. The other two children, born before the benefits of such a diet were known, were raised on diets containing phenylalanine. These two children have symptoms of PKU, including mental impairment.
Picture Stats: Views: 1623 Filesize: 86.23kB Height: 571 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=532 Keywords: Environmental influences on the expression of PKU within a single family |