Here’s a pop quiz. Read the following statements and select the best answer from the choices below.
A: Snoring runs in my family; it is genetic.
B: Snoring runs in my family; it is heritable.
1. Statement A is true
2. Statement B is true
3. Both Statement A and B are true
4. Neither Statement A or B are true
5. Don’t know
The answer: Only Statement B can be true. Heritability deals with the likelihood or probability of traits running in families. But here is the catch: something can be heritable due to genetics or environment. In this case the environment includes culture or habits and behaviors that you experience and accept as a normal and everyday. Everything that shared among related individuals isn’t necessarily because they share the same genes.
Here’s another snag – heritable traits and inherited traits are not synonymous. To inherit something means you received it or get from your parents. Think about an heirloom. Your grandfather has this amazing fishing pole. When he passes on, he gives the fishing pole to your father and your father gives it to you. You get the exact same thing your father and grandfather had. Genetic inheritance works the same way. One parent has a gene or allele and he or she gives to you.
Heritability is the likelihood of getting something…in other words, you might get it. It’s not automatic – like genetic inheritance, but the chances look good.
Here’s an example: Autism: highly heritable but not inherited
Arthur L Beaudet of Baylor University examined genetic causes of Autism. He found specific gene disorders that can result in autism de novo, automatically or off the top. These disorders include an alteration of the genome causing complete loss of copy, gain of copy or disruption of a dosage-sensitive gene.
But research by Sebat et al. indicates that other genomic deletions and duplications may point to genes in which mutations may lead to autism, but doesn’t automatically cause autism. In other words, having these genes doesn’t mean you will automatically have autism, but your chances are high.
Thinking about human behavior and habits, many of us confuse genetic and cultural heritability, especially when comparing family members to one another. If it’s something positive like – good looks or being smart, then it is thought to be an asset. You feel like you’ve got the deck stacked in your favor. "Natural with no extensions. She get it from her mama."
Wednesday, October 29, 2008
Science Vocab: Heritability
Monday, October 27, 2008
Affirmed - McCain/Palin are Anti-science.
First McCain put his foot in the mouth at Debate #1 about the Grizzly Bears.
Correction - The money spent on this genetics and conservation research project was not an earmark. It was a awarded as a competitive grant and help shed light on an endangered species - a native American species- and apex predator.
Next McCain sounded like a foolish old man comparing the Zeiss Projector at the historic Aldler Museum of Chicago to an overhead projector in Debates #2 and #3.
Correction - the projector projects images of the night sky and space onto a domed ceiling in the Sky Theater. Adler is the Western Hemisphere's oldest Planetarium. They educate and inspire millions. For decades children of Chicago, the state of Illinois, and the US are have been provided top-notch space and planetary sciences education and career exploration opportunities. In fact, the Adler has educated Navy men in night sky navigation to help them chart their courses while out at sea. The stars of the night sky are their only landmarks. The Navy, the US Navy. Hmm, should Mr. Naval Academy know how important the Adler is...Maybe he would if he hadn't been such a bad boy in college and graduated near the bottom of the class.
Last, Mrs. Palin talked about a "ridiculous pet project research on fruit flies in Paris", just moments after declaring her commitment to families with special needs childrend and disabled family members. Palin, autism and fruitflies - it does not add up
Correction - 1st, the research which as she correctly stated was paid for by NSF was actually conducted in the United States! And this research with fruit flies has made discoveries about genes and proteins related to Autism Spectrum disorders! Foot in the mouth.
UNC scientists comment in support of fruit fly research for understanding autism
McCain-Palin just seem so under-informed and unapologetically ignorant about science, science education, science outreach, and research. It bothers me to potentially have another adminstration that marginalizes science as a meaningful endeavor and politicizes research results, ignoring sound advise when making important policy decisions.
Having a President (and Vice President) who are scientifically literate matters.
AVoteForScience: Kiki Sanford endorses Barack Obama
Hat tip to Bora (A Blog Around the Clock) for links with the great videos. Be sure to check them out. Very informative.
Science Literacy Matters.
Vote Pro-Science and Pro-Education
Friday, October 24, 2008
Inmates Conduct Ecological Research on Slow-growing Mosses
The Moss-in-Prisons project promotes the rehabilitation of prisoners.
Credit: Nalini Nadkarni of Evergreen State College.
Re-post: NSF Press Release 08-186
October 17, 2008
Nalini Nadkarni of Evergreen State College currently advises a team of researchers who sport shaved heads, tattooed biceps and prison-issued garb rather than the lab coats and khakis typically worn by researchers. Why is Nadkarni's team composed of such apparently iconoclastic researchers? Because all of her researchers are inmates at Cedar Creek Corrections Center, a medium security prison in Littlerock, Washington.
With partial funding from the National Science Foundation (NSF), Nadkarni has guided her unlikely but productive team of researchers since 2004, as they conduct experiments to identify the best ways to cultivate slow-growing mosses. Nadkarni's so-called Moss-in-Prisons project is designed to help ecologists replace large quantities of ecologically important mosses that are regularly illegally stripped from Pacific Northwest forests by horticulturalists.
Why did Nadkarni recruit inmates into her research team? "Because," she explains, "I need help from people who have long periods of time available to observe and measure the growing mosses; access to extensive space to lay out flats of plants; and fresh minds to put forward innovative solutions."
In addition to managing the Moss-in-Prisons research at Cedar Creek, Nadkarni helps the facility's inmates run various projects that promote sustainable living--including an organic garden that produces 15,000 pounds of fresh vegetables every summer, a bee-keeping operation and a composting operation that processes one ton of food per month.
One member of Nadkarni's research team, who was released from Cedar Creek, enrolled in a Ph.D. program in microbiology at the University of Nevada and presented his Cedar Creek research at the annual meeting of the Ecological Society of America in August 2008. (Heck, no. Now that's Broader impact.)
Nadkarni started the Moss-in-Prisons project with a type of NSF award that is specially designed to help scientists reach out to public audiences. More recently, she has received additional funding from the Washington State Department of Corrections.
In addition, Nadkarni has creatively stretched project resources by recruiting other NSF-funded researchers to contribute to a popular lecture series that she started at Cedar Creek. By giving such lectures, these scientists fulfill requirements for conducting public outreach that accompany NSF awards.
A recent TV news report about the Moss-in-Prisons and the sustainability projects at Cedar Creek is posted at http://www.kcts9.org/video/green-prison-reform.
-NSF-
Media ContactsLily Whiteman, National Science Foundation (703) 292-8310 lwhitema@nsf.govJason Wettstein, Evergreen State College (360) 451-3167 wettstej@evergreen.edu
The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering, with an annual budget of $6.06 billion. NSF funds reach all 50 states through grants to over 1,900 universities and institutions. Each year, NSF receives about 45,000 competitive requests for funding, and makes over 11,500 new funding awards. NSF also awards over $400 million in professional and service contracts yearly.
more images of the research and research participants.
I ain't even mad. What a unique way to do outreach and meet broader impact requirements.
Friday, October 17, 2008
Stand Up Against Poverty
The talk is done. It’s time to take Action.
The United Nations needs every concerned person to help bring the Millennium Development Goals to fruition. End Poverty by the year 2015.
From October 17 to 19, people all around the world are asked to Stand Up and Take Action, in a global mobilization to stamp out poverty and inequality. The world has made strong and sustained progress in reducing extreme poverty, but this is now being undercut by higher prices - particularly of food and oil - and the global economic slowdown, according to the UN’s Millennium Development Goals Report 2008. Read it for yourself, here.
Here’s the Action. Stand Up and Take Action.
Join an event this weekend.
Spread the word.
There are several dozen events here in the US. Join one make your voice heard and actions count to stamp out poverty and hunger in this world in our lifetime.
Thursday, October 16, 2008
More Blog Action – Hunger Awareness
Poverty and Hunger are twin sisters. My Blog Action Day Post on Poverty is only the springboard of Awareness. Do you realize how important food production is to life? Do you realize that a single digit percentage of the world’s population is responsible for growing and harvesting enough food to feed the entire world? Most of these farmers are US farmers in what we affectionately call the Bread Basket.
These farmers, ranchers, and processors already deal with climate and ecological stoichasticity – too much or little rain or sun, locusts or other invertebrate pests. They take on the risk and if things go bad there’s less food to go around. Now we have Global Warming to deal with. And have you thought about how this crappy global economy will test everyone? Less food and more expensive and less to go around.
But there’s one thing different about these twin sisters – Poverty tends to be heritable but Hunger is universal. When food is limited even the strongest and wealthiest suffer, though last and for shorter durations.
Today is World Food Day. October 16th is a worldwide event designed to increase awareness, understanding and informed, year-around action to alleviate hunger. America is no exception and the poor of America will suffer first and hardest. Food Insecurity & Food Justice will be our charge for this coming year.
Some of my previous posts about Food Justice:
Food Science, Nutritional Security, and Social Justice
Science, Education & SES: Food-justice
Wednesday, October 15, 2008
Blog Action Day: Poverty
I believe that service – contributing your talent and time to accomplish a goal for the betterment of a community – is way to resolve important matters. Serving others and making this world a better place is a noble calling. And I don’t think concept of service belongs to conservatives or liberals or Christians or any other religious group. It is non-partisan. It is a common ground. If those of us who care to serve and believe in service work to help others, then I believe we can create a just society where poverty no longer exists.
Tuesday, October 14, 2008
Donors Choose Fundraising update
Update: Black Bloggers for Education are doing pretty well for the New Kids on the Board. We're ranked 9 of 10 out of the major Categories.
BBE boasts 7 members and have raised over $700 dollars. I still need your help to raise funds for my selected projects, but thanks for fully one project to date.
Visit BBE and make a contribution. Any amount is appreciated and helps education our children.
And a big thank you to all American Express Cardholders who voted for the Donors Choose Project in the Members project. Help 100,000 children thrive in the classroom! This project won 2nd Place and $500,000.

Please help Black Bloggers for Education raise more money to help more students.
Thank you very much,
The Urban Scientist
