News tagged with x chromosome

Sex chromosome evolution tracked in fruit fly

(Phys.org) -- Fruit flies are commonly used in genetics research because their lifespan is short, they are easy to breed in the laboratory, and mutants are widely available. There are about 1,500 known species. ...

Jul 20, 2012 report
5 / 5 (2) 4 | with audio podcast

Scientists show how men amp up their X chromosome

What makes a man? His clothes? His car? His choice of scotch? The real answer, says Brown University biologist Erica Larschan, is the newly understood activity of a protein complex that, like a genetic power tool, gives enzymes ...

Mar 02, 2011
5 / 5 (6) 0 | with audio podcast

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 report
4.3 / 5 (17) 3 | with audio podcast

Sex Talk Revelations of the Lonely Y Chromosome

(PhysOrg.com) -- In the week that the University of Leicester celebrates the 25th anniversary of the discovery of DNA fingerprinting (Thursday September 10) new findings from the world-renowned University of Leicester Department ...

Sep 09, 2009
4.5 / 5 (4) 3

Undoing a hairpin doubles gene activity

Male fruit flies have one X chromosome per cell, females have two. So genes on the male X must work twice as hard to produce the same amount of protein as its female counterparts. An LMU team has found a ...

Jul 29, 2013
4.7 / 5 (3) 0 | with audio podcast