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Scientist Profile

Scientist Profile . Index. Biography Project Success References . Biography. Name: MURRAY LLEWELLYN BARR Birth date: June 20, 1908  Birth place: Belmont , Ontario  Date of Death: May 4, 1995  Place of Death: London , ON  Title: Professor Emeritus of Anatomy, UWO 

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Scientist Profile

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  1. Scientist Profile Index Biography Project Success References

  2. Biography Name: MURRAY LLEWELLYN BARR Birth date: June 20, 1908  Birth place: Belmont, Ontario  Date of Death: May 4, 1995  Place of Death: London, ON  Title: Professor Emeritus of Anatomy, UWO  Status: Deceased Degrees: BA, U Western Ontario, London, Ontario, 1930 MD, 1933 MSc, 1938 Awards: Flavelle Medal (Royal Society of Canada),1959 Ortho Medal (American Society for the Study of Sterility) Award of Merit (Gairdner Foundation) Maurice Goldblatt Award (International Academy of Cytology)

  3. Project Barr’s main interest was cytological research as it applies to sex anomalies and mental retardation. He is author of numerous publications in the field of cytology (the structure and function of cells), principally the cytology of the nervous system and human cytogenetic. His popular textbook on neuroanatomy, The Human Nervous System: An Anatomical Viewpoint is now in its 9th edition.

  4. Success In 1949, Barr discovered sex chromatin, a substance made of DNA and protein, a discovery which made it possible to determine the cellular sex of an individual. Barr and his colleagues also devised the buccal smear test, whereby cells from the patient’s mouth are taken and examined for chromosomal defects. This test is now used extensively to screen patients, including newborn babies.

  5. References "science.ca Profile : Murray Llewellyn Barr." science.ca The Best Source for Canadian Science. N.p., n.d. Web. 24 Jan. 2012. <http://www.science.ca/scientists/scientistprofile.php?pID=119&pg=0>

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