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The End of the Male Species is Near?

Written By David D'Angelo on Sunday, July 19, 2009 | 7/19/2009

Braise yourselves guys... MALES ARE IN DANGER OF EXTINCTION!... or are we? In a new study, researchers say there is a dramatic loss of genes from the human Y chromosome that eventually could lead to its complete disappearance -- in the next few millennia. While the Y chromosome's degeneration has been known to geneticists and evolutionary biologists for decades, the study sheds new light on some of the evolutionary processes that may have contributed to its demise and posits that, as the degeneration continues, the Y chromosome could disappear from our genetic repertoire entirely.

The article which was published in Genetics magazine and was also reproduced through Yahoo news said that the about 1,000 pair of genes present in the Y chromosome is now reduced to just around 80. What will happen if it is totally lost? That means a male who is XY will not exist since females are XX and therefore a man will only have an X? and then will only pass an X to a female.

But there seems to be an anomaly. The question is if Y is lost and the fact that our reproductive genes have two chromosomes does it mean XY will become XX? The Y chromosome is essential for reproduction and upon reading the article the future of this chromosome has two scenario:

1. The Y chromosome composition is unique and it can replicate itself. The defective genes are not passed on to the offspring does it will remain and will not actually be gone.

2. Upon extinction the characteristic of the Y chromosome will be passed on to the 23 pairs of chromosomes packed with genes that dictate every aspect of our biological functioning. This is evolution.

As to the reason of its recent rapid degeneration I cannot see other explainable factor but the rapid deterioration of the environment. The amount of toxins and pollutants in our current environment is affecting every aspect of our body that mutation of the human race and ther species is likely to occur very soon.

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