X choromosome
cwilcox | May 20, 2009No matter what our cultural influences might try to tell us, what makes a man a man isn't rippling abs, bulging biceps, or a rugged personality. It isn't an unbreakable emotional wall or a thick, wiry beard. None of these make Chuck Norris or any other classic "man's man" a real man. The only thing required to be a man, as far as people are concerned, is a Y chromosome.
Human beings, barring genetic anomalies, have 23 pairs of chromosomes in their genomes. One half of each pair comes from each parent. Twenty-two of these pairs of chromosomes are the same in all people. But the last set is…