This disease is caused due to the alteration of the genetic material. when individual has a partial or extra copy of chromosome number 21 this leads to Down`s Syndrome. This syndrome leads to learning disabilities in children.
Review articles are the summary of current state of understanding on a particular research topic. They analyze or discuss research previously published by scientist and academicians rather than reporting novel research results.Review article comes in the form of systematic reviews and literature reviews and are a form of secondary literature. Systematic reviews determine an objective list of criteria, and find all previously published original research papers that meet the criteria. They then compare the results presented in these papers. Literature reviews, by contrast, provide a summary of what the authors believe are the best and most relevant prior publications.
Last date updated on September, 2014