Автор работы: Пользователь скрыл имя, 14 Октября 2013 в 19:42, реферат
Many people are now aware that genetic information is contained in chromosomes. Scientists have learned to distinguish and differentiate segments within chromosomes. Therefore, we are able not only to distinguish each chromosome by its size and shape, but to recognize every segment within it. In diagnostics it is easy to distinguish chromosomes with additional or missing segments.