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  • human genetics | biology | Britannica.com
    humans does not differ in any fundamental way from that in other organisms The study of human heredity occupies a central position in genetics Much of this interest stems from a basic desire to know who humans are and why they are as they are At a more practical level an understanding of human heredity is of critical importance in the prediction diagnosis and treatment of diseases that have a

    Original URL path: http://www.britannica.com/science/human-genetics (2016-02-13)
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  • Ted Kennedy | American senator | Britannica.com
    not seek the presidency in 1972 Rehnquist William confirmation hearing for Rehnquist s nomination as chief justice of the U S Supreme Court 1986 Stock footage courtesy The WPA Film Library Kennedy won reelection to a third full term as senator in 1976 He was a serious contender for the 1980 Democratic presidential nomination but withdrew from the race during the convention He won a fourth term in 1982 and was again reelected to the Senate in 1988 1994 2000 and 2006 Kennedy Ted Kennedy participating in a rally in Washington D C in 2007 Mark Wilson Getty Images Kennedy continued to be a prominent spokesman for the policies that had come to be associated with his family name i e support for social welfare legislation and active participation in world affairs He became a leading advocate in the Senate for many liberal causes including voting rights fair housing consumer protection and national health insurance At the same time he was recognized for his willingness to cooperate with Republicans in the Senate to advance important legislation such as the No Child Left Behind Act 2001 and other initiatives of the administration of Pres George W Bush In 2008 after being hospitalized for a seizure Kennedy was diagnosed with a malignant brain tumour In March 2009 he was made an honorary Knight of the British Empire and on August 15 he was awarded the Presidential Medal of Freedom it was accepted on his behalf by his children 10 days later he died at his home In his eulogy for Kennedy Pres Barack Obama called him the soul of the Democratic Party and the greatest legislator of our time Kennedy s autobiography True Compass was published in September 2009 Comments Share Email Print Cite Last Updated 2 10 2015 You may also be interested in George Mitchell Bill Clinton Madeleine Albright R Sargent Shriver Daniel Patrick Moynihan Daniel Inouye Edmund Muskie Henry M Jackson Claude Pepper Barack Obama Franklin D Roosevelt John F Kennedy Keep exploring USA Facts Structures of Government Fact or Fiction Countries of the World 5 Wacky Facts about the Births and Deaths of U S Presidents Our Days Are Numbered 7 Crazy Facts About Calendars What made you want to look up Ted Kennedy To From Subject Comments Please limit to 900 characters Cancel Britannica Stories Behind The News Philosophy Religion Healing the Schism Pope Meets Patriarch Behind The News Science Gravitational Waves Observed Spotlight History Thomas Malthus s 250th Birthday See More Stories FEATURED QUIZZES Vocabulary Quiz True or False Spell It See More Quizzes About Us About Our Ads Contact Us Privacy Policy Terms of Use 2016 Encyclopædia Britannica Inc MLA style Ted Kennedy Encyclopædia Britannica Encyclopædia Britannica Online Encyclopædia Britannica Inc 2016 Web 12 Feb 2016 http www britannica com biography Ted Kennedy American senator APA style Ted Kennedy 2016 In Encyclopædia Britannica Retrieved from http www britannica com biography Ted Kennedy American senator Harvard style Ted Kennedy 2016 Encyclopædia Britannica Online Retrieved 12 February

    Original URL path: http://www.britannica.com/biography/Ted-Kennedy-American-senator (2016-02-13)
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  • medical genetics | eugenics | Britannica.com
    MLA style medical genetics Encyclopædia Britannica Encyclopædia Britannica Online Encyclopædia Britannica Inc 2016 Web 12 Feb 2016 http www britannica com topic medical genetics APA style medical genetics 2016 In Encyclopædia Britannica Retrieved from http www britannica com topic medical genetics Harvard style medical genetics 2016 Encyclopædia Britannica Online Retrieved 12 February 2016 from http www britannica com topic medical genetics Chicago Manual of Style Encyclopædia Britannica Online s v medical genetics accessed February 12 2016 http www britannica com topic medical genetics While every effort has been made to follow citation style rules there may be some discrepancies Please refer to the appropriate style manual or other sources if you have any questions Update Link Click anywhere inside the article to add text or insert superscripts subscripts and special characters You can also highlight a section and use the tools in this bar to modify existing content Add links to related Britannica articles You can double click any word or highlight a word or phrase in the text below and then select an article from the search box Or simply highlight a word or phrase in the article then enter the article name or term you d like to link to in the search box below and select from the list of results Note we do not allow links to external resources in editor Please click the Web sites link for this article to add citations for external Web sites Editing Tools Tips for Editing Leave Edit Mode Submit We welcome suggested improvements to any of our articles You can make it easier for us to review and hopefully publish your contribution by keeping a few points in mind Encyclopaedia Britannica articles are written in a neutral objective tone for a general audience You may find it helpful to

    Original URL path: http://www.britannica.com/topic/medical-genetics (2016-02-13)
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  • health | Britannica.com
    stays well within the ordinary environment of his or her existence may succumb to a heart attack from heavy shovelling after a snowstorm or a sea level dweller may move to a new home in the mountains where the atmosphere has a lower content of oxygen and suffer from shortness of breath and anemia until his red blood cell count adjusts itself to the 100 of 885 words Images About

    Original URL path: http://www.britannica.com/topic/health (2016-02-13)
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  • genetic engineering | Britannica.com
    of copies of the inserted gene Furthermore if the inserted gene is operative i e if it directs protein synthesis the modified bacterium will produce the protein specified by the foreign DNA A subsequent generation of genetic engineering techniques that emerged in the early 21st century centred on gene editing Gene editing based on a technology known as CRISPR Cas9 allows researchers to customize a living organism s genetic sequence by making very specific changes to its DNA Gene editing has a wide array of applications being used for the genetic modification of crop plants and livestock and of laboratory model organisms e g mice The correction of genetic errors associated with disease in animals suggests that gene editing has potential applications in gene therapy for humans Genetic engineering has advanced the understanding of many theoretical and practical aspects of gene function and organization Through recombinant DNA techniques bacteria have been created that are capable of synthesizing human insulin human growth hormone alpha interferon a hepatitis B vaccine and other medically useful substances Plants may be genetically adjusted to enable them to fix nitrogen and genetic diseases can possibly be corrected by replacing dysfunctional genes with normally functioning genes Nevertheless special concern has been focused on such achievements for fear that they might result in the introduction of unfavourable and possibly dangerous traits into microorganisms that were previously free of them e g resistance to antibiotics production of toxins or a tendency to cause disease Likewise the application of gene editing in humans has raised ethical concerns particularly regarding its potential use to alter traits such as intelligence and beauty In 1980 the new microorganisms created by recombinant DNA research were deemed patentable and in 1986 the U S Department of Agriculture approved the sale of the first living genetically altered organism a virus used as a pseudorabies vaccine from which a single gene had been cut Since then several hundred patents have been awarded for genetically altered bacteria and plants Patents on genetically engineered and genetically modified organisms particularly crops and other foods however were a contentious issue and they remained so into the first part of the 21st century Comments Share Email Print Cite Last Updated 2 3 2016 You may also be interested in science heredity life technology biotechnology biology clone physical science genetically modified organism GMO endangered species epidemic global warming Keep exploring Science Fact or Fiction General Science Fact or Fiction Science Quiz 8 Birds That Can t Fly Editor Picks The 7 Best Pinecones Really What made you want to look up genetic engineering To From Subject Comments Please limit to 900 characters Cancel Britannica Stories Behind The News Philosophy Religion Healing the Schism Pope Meets Patriarch Behind The News Science Gravitational Waves Observed Spotlight History Thomas Malthus s 250th Birthday See More Stories FEATURED QUIZZES Vocabulary Quiz True or False Spell It See More Quizzes About Us About Our Ads Contact Us Privacy Policy Terms of Use 2016 Encyclopædia Britannica Inc MLA style

    Original URL path: http://www.britannica.com/science/genetic-engineering (2016-02-13)
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  • human genetic disease | Britannica.com
    genetic disease any of the diseases and disorders that are caused by mutations in one or more genes With the increasing ability to control infectious and nutritional diseases in developed countries there has come the realization that genetic diseases are a major cause of disability death and human tragedy Rare indeed is the family that is entirely free of any known genetic disorder Many thousands of different genetic disorders with

    Original URL path: http://www.britannica.com/science/human-genetic-disease (2016-02-13)
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  • hemophilia | pathology | Britannica.com
    early in life and may lead to severe anemia or even death Large bruises of the skin and soft tissue are often seen usually following injury so trivial as to be unnoticed There may also be bleeding in the mouth nose and gastrointestinal tract After childhood hemorrhages in the joints notably the knees ankles and elbows are frequent resulting in swelling and impaired function The 100 of 308 words Images

    Original URL path: http://www.britannica.com/science/hemophilia (2016-02-13)
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  • Tay-Sachs disease | medical disorder | Britannica.com
    fluids Comments Share Email Print Cite Last Updated 9 8 2014 You may also be interested in Niemann Pick disease disease Gaucher disease Fabry s disease human disease glycogen storage disease galactosemia fructosuria phenylketonuria PKU familial hypercholesterolemia metabolic disease de Toni Fanconi syndrome Keep exploring Apples and Doctors Fact or Fiction Viruses Bacteria and Diseases Human Health Playing with Wildfire 5 Amazing Adaptations of Pyrophytic Plants 8 Birds That Can t Fly What made you want to look up Tay Sachs disease To From Subject Comments Please limit to 900 characters Cancel FEATURED QUIZZES Vocabulary Quiz True or False Spell It See More Quizzes MORE QUIZZES Sound Waves Calling Ships and Underwater Exploration Grasses and Other Plants Fact or Fiction See More Quizzes About Us About Our Ads Contact Us Privacy Policy Terms of Use 2016 Encyclopædia Britannica Inc MLA style Tay Sachs disease Encyclopædia Britannica Encyclopædia Britannica Online Encyclopædia Britannica Inc 2016 Web 12 Feb 2016 http www britannica com science Tay Sachs disease APA style Tay Sachs disease 2016 In Encyclopædia Britannica Retrieved from http www britannica com science Tay Sachs disease Harvard style Tay Sachs disease 2016 Encyclopædia Britannica Online Retrieved 12 February 2016 from http www britannica com science Tay Sachs disease Chicago Manual of Style Encyclopædia Britannica Online s v Tay Sachs disease accessed February 12 2016 http www britannica com science Tay Sachs disease While every effort has been made to follow citation style rules there may be some discrepancies Please refer to the appropriate style manual or other sources if you have any questions Update Link Click anywhere inside the article to add text or insert superscripts subscripts and special characters You can also highlight a section and use the tools in this bar to modify existing content Add links to related Britannica

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