An article I just read by ABC News highlighted a topic I had heard about but had not really known much about..... Apparently, men as a whole are devolving rapidly....
Y chromosome, which once contained as many genes as the X chromosome,
has deteriorated over time and now contains less than 80 functional
genes compared to its partner, which contains more than 1,000 genes.
Geneticists and evolutionary biologists determined that the Y
chromosome's deterioration is due to accumulated mutations, deletions
and anomalies that have nowhere to go because the chromosome doesn't
swap genes with the X chromosome like every other chromosomal pair in
our cells do. "