News tagged with xy chromosome
Human sperm created from embryonic stem cells (Update)
(PhysOrg.com) -- Human sperm have been created using embryonic stem cells for the first time in a scientific development which will lead researchers to a better understanding of the causes of infertility.
Jul 08, 2009 |
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Search results for xy chromosome
Scientists construct, to maintain complementary DNA libraries of first lizard genome sequence
Scientists at Indiana University Bloomington's Center for Genomics and Bioinformatics are credited with constructing the cDNA libraries for the first-ever genome sequence of a non-bird reptile, the North American ...
Sep 30, 2011 |
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New genetic region responsible for testicle development found
New research presented today at the European Society for Paediatric Endocrinology meeting has found a genetic region, which may control testicle development in the foetus.
Sep 26, 2011 |
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First lizard genome sequenced
(PhysOrg.com) -- The green anole lizard is an agile and active creature, and so are elements of its genome. This genomic agility and other new clues have emerged from the full sequencing of the lizard's genome ...
Aug 31, 2011 |
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Researchers discover gene required to maintain male sex throughout life
University of Minnesota Medical School and College of Biological Sciences researchers have made a key discovery showing that male sex must be maintained throughout life.
Jul 20, 2011 |
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Boy or girl? Understanding how red-tailed hawks migrate
(PhysOrg.com) -- As any resident of upstate New York will tell you, the red-tailed hawk is the most common hawk in North America. Often seen perched on light and telephone poles along major highways, this ...
Jun 27, 2011 |
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Study may lead to greater understanding of human genome regulation
Many multi-cellular animals use sex chromosomes to determine sex. In fruit flies and in humans, this produces XX for females and XY for males. Cellular mechanisms then kick into gear to compensate the two-to-one imbalance ...
Mar 04, 2011 |
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Reproductive scientists create mice from 2 fathers
Using stem cell technology, reproductive scientists in Texas, led by Dr. Richard R. Berhringer at the M.D. Anderson Cancer Center, have produced male and female mice from two fathers.
Dec 08, 2010 |
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Sex differences determined not simply by gender
(PhysOrg.com) -- Researchers at Imperial College London have uncovered an inherent difference in the way the genes of males or females can be "switched off" or silenced in the body's developing immune system. This finding ...
Sep 16, 2010 |
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Grandparents favor genetically close grandchildren
(PhysOrg.com) -- New research suggests that grandparents naturally and subconsciously favor the grandchildren who are most closely related to them genetically. The phenomenon is called "sexually antagonistic ...
Apr 29, 2010 |
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In praise of the Y chromosome
(PhysOrg.com) -- David Page, director of the Whitehead Institute and professor of biology at Massachusetts Institute of Technology, says research indicates the much-maligned Y chromosome plays a more critical ...
Apr 20, 2010 |
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List of search results for xy chromosome
