775616
Description
Mind Map by leonie1997, updated more than 1 year ago
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Created by leonie1997
about 11 years ago
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Dean Hamer - Genetic links to homosexuality
- 1993
- Studied because Hamer was the head of
a cancer institute and he wanted to see if
there were any genetic links to being gay
as to see why more gay men contract the
cancer Karposi's Sarcoma.
- Studied 40 pairs of gay brothers.
- There was a region on the X chromosome where 33 out
of the 40 brothers showed very similar patterns of genes in
this region.
- Whereas a gay man who had a straight
brother had a different pattern of genes in
this region.
- But there were 7 out of the 40 where the brothers were
both gay but didn't share the same pattern. Which
suggests that it is not only genetics that determins
homosexuality.
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