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Old 01-30-2005, 09:14 PM   #5 (permalink)
RCAlyra2004
Crazy
 
Location: North of the 50th Parallel
I hate to prove you wrong but here it is again from another source...

Quote:
Originally Posted by shred_head
I do believe that's crap. If it was true I believe some bigger newspaper, other than the Winnipeg Free Press, would have picked up the story.
I hate to prove you wrong but here it is again from another source.....

Quote:
Researcher sees group of homosexuality genes


Where to Look for Gay Genes
Genome analysis reveals chromosome regions influencing male sexual orientation
Betterhumans Staff
1/27/2005 3:26 PM


The locations of genes influencing male sexual orientation have been identified in a genome analysis of men in families with multiple gay brothers.

The research confirms biological origins of homosexuality while underscoring that there is no single "gay gene."

"Sexual orientation is a complex trait, so it's not surprising that we found several DNA regions involved in its expression," says researcher Brian Mustanski of the University of Illinois at Chicago.

Runs in the family

Working with colleagues at the National Institutes of Health, Mustanski analyzed the genome of 456 men from 146 families with two or more gay brothers.

Unlike earlier studies focusing just on the X chromosome, this study looked at the X as well as all 22 pairs of non-sex chromosomes. (The Y chromosome was ignored because it's not thought to contain many genes.)

The researchers found identical strings of DNA on chromosomes 7, 8 and 10 that were shared by 60% of gay brothers in the study. The region on chromosome 10, however, was only linked with sexual orientation if it was inherited from the mother.

"Our study helps to establish that genes play an important role in determining whether a man is gay or heterosexual," says Mustanski. "The next steps will be to see if these findings can be confirmed and to identify the particular genes within these newly discovered chromosomal sequences that are linked to sexual orientation."

The research is reported in the journal Human Genetics (read abstract).
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