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re: One step closer to tying homosexuality to the human genome
Posted on 11/20/14 at 10:26 am to the808bass
Posted on 11/20/14 at 10:26 am to the808bass
quote:
Studying homosexual pairs is a little bit of a confirmation bias.
How so?
quote:
I think studying discordant sexual preferences with more similar DNA would be far more instructive.
There is utility in this as well, but would be very difficult in genome wide-type studies. You have to keep in mind we are all 99.9% (or something like that) genetically identical, so what metric could you reliably utilize to determine if one has "more similar" DNA in a statistically significant manner in a realistic sized study? Its easier to start with the more limiting factor (in this case, starting with pairs of homosexual brother--a relative rarity) and analyzing genome accordingly
2
Posted on 11/20/14 at 10:34 am to onmymedicalgrind
quote:
quote: Studying homosexual pairs is a little bit of a confirmation bias.
quote:
How so?
If you're not comparing them to heterosexuals with similar dna and environment, it's difficult to tell what is the "norm," correct? And I would bet dollars to donuts that there are self-identified straight people with the genome characteristics listed in this study. If there are straight people with the genetic difference, why aren't they gay?
Secondly, genomes can mutate overtime due to outside influence. Correct? Could the genomes be influenced by the environment and behavior rather than vice versa?
Posted on 11/20/14 at 10:47 am to onmymedicalgrind
No message.
This post was edited on 11/20/14 at 10:48 am
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