In normal arithmetic, the result is always 1.
Down syndrome results when cells receive three copies of chromosome 21.
Gametes
July 21
21
Tomoro 21-sept-2009
21 nov
The Voice - 2011 Top 8 Results Completed 4-21 was released on: USA: 28 May 2013
around 14-21 october
America's Got Talent - 2006 Semifinals Week 1 Results 8-21 was released on: USA: 28 August 2013
Results were announced on May 21, 2012. See the Related Link below for the official website of the Central Board of Secondary Education, where you can view the results.
Athian Deng Mayen
November 21, 2008 at 6 p.m. PST. November 21, 2008 at 6 p.m. PST.