Info

nonexistent in non-European populations. It presumably achieved its sudden prominence through the natural selection caused by some serious epidemic that raged through Europe at that time.

The variant gene was discovered because it is also protective against AIDS. But AIDS is far too recent a disease to have driven the frequency of the CCR5-delta-32 variant to such a high level in the European population. That driving force was at first thought to have been the Black Death, which killed some 25 to 40% of Europeans in the years 1346-1352, and a further 15 to 20% in 1665-1666. But it now seems that smallpox, which in the long term killed a larger number of people though in less

Was this article helpful?

0 0
The Power Of Charisma

The Power Of Charisma

You knowthere's something about you I like. I can't put my finger on it and it's not just the fact that you will download this ebook but there's something about you that makes you attractive.

Get My Free Ebook


Post a comment