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Politics : Sharks in the Septic Tank
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To: E who wrote (2435)1/23/2001 3:36:11 PM
From: YlangYlangBreeze  Read Replies (1) of 82486
 
if the gene that predisposes to homosexuality is associated with a genetic characteristic that has certain survival advantages for the genes of the homosexual"

An example of this would be sickle cell anemia, a recessive trait that is linked with malaria resistance. So recessive sickle cell might be considered quite functional under certain conditions.

"In Africa, as many as 4 out of 10 people have the sickle cell anemia gene. In parts of Africa where lots of people had sickle cell anemia, malaria was also very
common. Researchers found that people who had a single copy of the sickle cell hemoglobin gene(heterozygous) didn't die of malaria as often as people who
were homozygous for the normal hemoglobin gene. So people who had two sickle cell hemoglobin genes died of sickle cell anemia, and people who two normal
genes died of malaria, but those with one of each gene lived to pass on the sickle cell hemoglobin gene to their children. As a result, the disease continues. "

bioweb.ncsa.uiuc.edu

Another case would be my grandmother, who having lived to the age of 97 would appear to have "great genes." One big problem. She had three sibs that died of muscular dystrophy before they were old enough to procreate. So it's a helluva gene roulette. (My grandmother chose not to bear children, but rather adopted my mother.)
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