The article “Twigs Bent Left or Right: Understanding how liberals
and conservatives differ, from conception on,” from the current
edition of Harvard Magazine (Jan-Feb. 2006), has a rather mis-
leading title. It’s really just a discussion of studies that support
(usually quite weakly) or refute (ditto) various theories on what
forces effect an individual’s political philosophy or party affiliation.
The article is worth a read if those issues interest you. For me,
the most compelling section was a Sidebar called Blue Genes or Red?,
which describes a study by Harvard Professor Sidney Verba into
whether one’s genetic makeup can predict whether they will have
conservative or liberal views.
“twins Nov51 small”
The study used data on 8,000 sets of twins. “Using information about
their opinions on 28 different political issues, they compared fraternal
twins, who share half of their genes, with identical twins, who have the
same genes. The researchers assumed that twins raised in the same
home experienced a similar upbringing.” The results?
They found that genetic inheritance played a
statistically significant role in all 28 issues, but opinions on
school prayer and property taxes were the most powerfully
influenced by genes. Both had a ‘heritability estimate’ of .41,
while views on federal housing and liberals had estimates of
.20 and .18, making them the least affected by DNA.
“Although DNA appears to predispose people to react one way
or another to certain issues, shaping their ideology, the researchers
said party affiliation seems to depend more on the environment in
which the twins were raised.
Naturally, Verba is cautious about what this study reveals, saying, he says.
“Pinning down any genetic basis of politics and separating it from how you
were raised, and then connecting them to actual public policy or voting behavior
has got a long way to go. But I can see more of this in the future.”
your editor and his brother
Another wishy-washy study from an academic who hopes for more grant money?
Probably. I can tell you, though, that my identical twin brother and I almost
certainly have similar views on school prayer and property taxes. I need to poll
him about his feelings on federal housing and liberals.
“snowflakesN” From Billie Wilson and the Alaska Haiku Society
website:
late night rain–
he reads to me from the book
I read to him
Mayfly #40 (2005)
nearly dark–
snow deepens
on the baseball field
Acorn 15 (2005)
swing shift
scattered through the parking lot
leaves from distant trees
Mariposa13 (2005)
winter storm–
three people in the checkout line
buying daffodils
Acorn 15 (2005)
a squabble of jays–
he shovels my bootprints
off the sidewalk
The Heron’s Nest VII:4 (2005)
“snowflakeSN”
February 24, 2006
blue genes and billie wilson
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