Genetic and Prenatal Influences on Development | |
Part A Genetic Influences | |
The Identity Dance,Gunjan Sinha, Psychology Today, March/April 2004, pgs 52-63, | |
Identical twins are clones with the samegenetic profiles.Life experience, therefore, must matter if identical twins develop unlikeemotions, health problems,andpersonalities.This article reports scientific evidence that genes have the equivalent of molecular “switches” that can be turned on or off byprenataland postnatal environmental factors | |
Several unlike identical twins are described | |
The Power to Divide | |
National Geographic, July 2005, pgs | |
3, 6-7, 15, 17, 22-23, 26-27 | |
The USA under Bush limits federal funding of research onstem cells.Some states (e.g., California) and several countries (e.g., Singapore, Korea, U.K.) are making progress in therapeutic cloning of cells needed by diabetics, heart attack patients, and others | |
Some people with regenerated cells are already thriving | |
Willethicistsallow this research to continue? Should they? | |
What Makes Us Different? | |
Time, October 9, 2006, pgs | |
45-53 | |
Chimpanzees and humans share 98% ofgenes.Chimps usesign language, expressemotions,and have complexcognition.The chimpanzee genome was decoded in 2005 | |
Now computers are revealing subtle differences in the species | |
One gene, active in humanprenatal brain development,appears to play a major role in delineating humans from chimpanzees | |
This ongoing research has enormous potential for understanding human development | |
Part B Prenatal Influences | |
The Mystery of Fetal Life | |
Current, September 2001, pgs | |
20-29 Environment affectsprenatal development.This article reviews known dangers (e.g.,alcohol and drug use,viral infections) and recently discovered endocrine disrupters (e.g., chemicals in our air, food, and water) | |
The author gives advice onexercise, nutrition,andhealth maintenanceto optimize thephysical and cognitive statusof the offspring | |
The Smallest Patients | |
Newsweek, Oct. 3, 2005, pgs | |
90-92 Thehealthof a fetus can now be safeguarded with surgery duringpregnancy.Early detection and intervention has payoffs both for baby and for parents | |
Amother,who is relieved of thestress, anxiety,anddepressionassociated with aphysicallychallenged baby, tolerates the surgery well and can go on to deliver the baby normally at term | |
The Hunt for Golden Eggs | |
Washingtonian, July 2007, pgs 101-106 | |
As explained in this article, thousands of infertile couples becomepregnanteach year with eggs donated by healthy youngwomenwith desirablegeneticprofiles | |
Theethicsof donating ova for in vitro fertilization are being questioned for religious reasons, and for the prices paid | |
Tall, blonde, educated donors may earn the most | |
Donors say they want to help | |
There are no current regulations for donations in the United States | |
Not Always “The Happiest Time,”Lisa Miller and Anne Underwood, Newsweek, April 24, 2006, pgs | |
80-82 Pregnancymay be accompanied bydepressionin 20% of women; a hidden problem | |
Individual women respond differently to hormonal changes and pregnancy is not always a mood elevator | |
Negativeemotionsare a risk to fetal healt | |
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