Fumarase Deficiency and Gay Marriage

With Massachusetts having prevented the attempt to de-legalize gay marriage, there is much discussion about the topic. But this story about a splinter Mormon group highlights the importance of outlawing one type of marriage: marriages between close relatives. By way of Lance Mannion, from Reuters (italics mine):

In a dusty neighborhood under sheer sandstone cliffs studded with juniper on the Arizona-Utah border, a rare genetic disorder is spreading through polygamous families on a wave of inbreeding.
The twin border communities of Hildale, Utah, and Colorado City, Arizona, have the world’s highest known prevalence of fumarase deficiency, an enzyme irregularity that causes severe mental retardation brought on by cousin marriage, doctors say.
Arizona has about half the world’s population of known fumarase deficiency patients,” said Dr. Theodore Tarby, a pediatric neurologist who has treated many of the children at Arizona clinics under contracts with the state.
“It exists in a certain percentage of the broader population but once you get a tendency to inbreed you’re inbreeding people who have the gene there, so you markedly increase the risk of developing the condition,” he said.
The community of about 10,000 people, who shun outsiders and are taught to avoid newspapers, television and the Internet, is home to the Fundamentalist Church of Jesus Christ of Latter Day Saints (FLDS), a sect that broke from the mainstream Mormon church 72 years ago over polygamy.
The group, who wear conservative 19th-century clothing, is led by Warren Jeffs, who was arrested in August and charged as an accomplice to rape for using his authority to order a 14-year-old girl against her wishes to marry and have sex with her 19-year-old cousin.
…former FLDS members, independent doctors and authorities say the disorder appears to have struck at least 20 children in the past 15 years.
“The disease itself is very rare in the rest of the world,” said Dr. Vinodh Narayanan of Arizona’s St. Joseph’s Hospital & Medical Center and Barrow Neurological Institute. Doctors worldwide had only studied about 10 cases just a decade ago.
“Once you get people within in the same community marrying, then the chances grow of having two people carrying the exact same mutation.”
…Local historian Benjamin Bistline said 75 to 80 percent of people in the area are blood relatives of two men — John Y. Barlow and Joseph Smith Jessop — who founded the sect on the remote desert plateau in the early 1930s.
“There aren’t any new people coming in. It’s a closed door and that gene just keeps getting passed around,” said Bruce Wisan, a court-appointed accountant overseeing a trust of the sect’s assets.
Dr. Leslie Biesecker, chief of the Genetic Disease Research Branch at the National Institutes of Health, said the bad gene could have been introduced after the original founding families settled there. “Any person who joined that community could have brought that mutation with them,” he said.
Tarby, who has recently retired, said he first observed the problem when an FLDS couple came to a Phoenix clinic about 15 years ago with a 10-year-old boy suffering from a degenerative condition. He sent a urine sample to a lab in Colorado for analysis and was stunned by the diagnosis.
Since then, increasing numbers of children in the community have been stricken with the disease, which causes unusual facial features, frequent epileptic seizures, episodes of coma and possibly early death.
In the disorder, brain cells fail to receive enough fuel to grow, multiply and function properly because of a missing enzyme needed to generate energy from food, causing severe mental retardation and muscle control problems.
Tarby met with about 150 FLDS members in November, explaining that the disorder was not caused by tainted drinking water as rumored but by cousin marriage.
But even with that knowledge, it is still hard for people to leave the sect, said Brenda Jensen, 55, who fled the FLDS several years ago and now works for the Utah-based HOPE Organization, which helps women leave.
“If they are willing to marry their cousin, or unwilling but do it anyway, or even in a relationship that is closer than that, it can be very hard for them,” Jensen said.
And local habits, are deeply ingrained, authorities say.
They will tell you if that’s what God wants for you than that’s what you will get,” said Gary Engels, an investigator assigned to Colorado City by the Mohave County attorney’s office. “They don’t think too much about marrying cousins and things like that.”

Gay marriage doesn’t lead to inbreeding. Just sayin’.
Wahabi atheist troll-be-gone: Most religions strongly prohibit close relative marriage. Don’t use this as an excuse to denigrate ‘religion.’

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7 Responses to Fumarase Deficiency and Gay Marriage

  1. Brian Thompson says:

    Wahabi atheist troll-be-gone: Most religions strongly prohibit close relative marriage. Don’t use this as an excuse to denigrate ‘religion.’

    Not religion, but certainly fundamentalist mormonism. Of course, most of the mainstream already denigrates it enough…

  2. llewelly says:

    Note that among pre-1890 Mormons, close-relative marriages were no more common than among their other protestant neighbors. The close-relative marriages that developed among the FLDS and similar sects are due in part to their evolution into small closed communities after the mainline Mormons tried to bury polygamy. This is not to say that the polygamist marriages of the early Mormons were not sexist and abusive – they were, but some of their uglier aspects did not develop until later.
    As for ‘Wahabi atheists’, I don’t believe they exist.

  3. Troublesome Frog says:

    Wahabi atheist troll-be-gone: Most religions strongly prohibit close relative marriage. Don’t use this as an excuse to denigrate ‘religion.’

    Most religions believe at least one nutty thing that’s unique to that religion. The fact that different religions disagree on which nutty thing to believe doesn’t exactly mitigate that situation.

  4. whig says:

    A disorder that causes mental retardation might confer an evolutionary advantage in an authoritarian closed community.

  5. Monado says:

    It’s not against religion that we argue, but against unthinking obedience — which most religions, and patriarchy, encourage.
    It would be a huge help if the U.S. immediately raised the age of consent to marriage from 14 to 16, with further increases to 17 and then 18 phased in two-year steps, so that young people planning to get married under the old system could do so without waiting 4 years. At 18, a teenager might have enough independence and resources to defy patriarchal authority. At least they would have a better chance than at 14.

  6. It would be a huge help if the U.S. immediately raised the age of consent to marriage from 14 to 16, with further increases to 17 and then 18 phased in two-year steps, so that young people planning to get married under the old system could do so without waiting 4 years. At 18, a teenager might have enough independence and resources to defy patriarchal authority. At least they would have a better chance than at 14

  7. raja says:

    Thanks for this useful post. Here is some additional information about the “genetics” of this condition that was written by our Genetic Counselor and other genetic professionals: http://www.accessdna.com/condition/Fumarase_Deficiency/156. Thanks, AccessDNA

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