Chapter 18
Students can learn more about cell division using Cell Division: Binary Fission and Mitosis. This site covers the cell cycle, prokaryotic binary fission, and eukaryotic cell division via mitosis, and has links to related sites.
Information on Down syndrome can be found in Down Syndrome WWW Page. Articles, organizations across the world, special toys, and information about Down syndrome children can be found here. Parents with Down syndrome children can even submit photos of their children for a 'brag book' segment of the site.
Genetic Disorders: Spinal Cord and Brain Development Disorders hosts much information about neural tube defects, such as spina bifida, myelocele, menigocele, and encephalocele. The frequency of each defect, its possible cause, and symptoms are discussed. This site also includes links to teen pregnacy and prenatal care sites, genetic disorders sites (Down syndrome and others), pregnancy and drug abuse, and a great amount of other highly useful information.
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