Special Section: Chromosomes to Food Security
نویسنده
چکیده
Chromosome aberrations and their impact on human health have been recognized for a long time. In the 1950s, in India, studies on induced chromosome aberrations in plants were initiated by Swaminathan and his students. I trace here the impact of these initial studies on further developments in this field. The studies which were started in plants have been extended to mammals (including human) and the simple squash and solid staining have been improved by molecular cytogenetic techniques, thus enabling accurate identification and quantification of different types of chromosome aberrations. These studies have also thrown light on the mechanisms of chromosome aberration formation, especially following exposure to ionizing radiation.
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397 COVER Children learning science, like these 7-year-olds tackling nuclear physics in 1948, must work through their mistakes and misconceptions. The route to science literacy involves reading, debate, presentation, and writing. See the special section beginning on page 447.
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تاریخ انتشار 2005