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Showing results - 21 to 30 of 31
Racial Comparisons in Literature
02:05

Racial Comparisons in Literature

Professor of American studies and history Matthew Frye Jacobson explains that eugenics was a popular topic in the late nineteenth and early twentieth century, often referred to by politicians in the discussion of American expansionism. Professor Jac...

Codes of Life: Gene-Environment Interaction
03:31

Codes of Life: Gene-Environment Interaction

Using twin and adoption studies, behavior geneticists can mathematically estimate the degree to which variation among individuals can be attributed to their differing genes. The concept is heritability, the extent to which genes predispose certain...

Codes of Life: Genes-Our Biological Blueprint
01:33

Codes of Life: Genes-Our Biological Blueprint

Genes are DNA segments that provide the code for assembling protein molecules, the building blocks of human development. All of our abilities and behaviors have some genetic component. Whether or not the genes get turned on or off may depend the...

Breaking Addictions
02:06

Breaking Addictions

Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about efforts to determine, "...whether or not there is a genetic basis for why some people find it easy to stop smoking, and other people find it...

Alcoholism and Genetics
01:01

Alcoholism and Genetics

Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, observes that alcoholism, "...clearly has some genetic basis because, identical twins, even if they're raised apart, are very similar for this." Dr. Ham...

Alzheimer's Disease and Genetics
01:04

Alzheimer's Disease and Genetics

Dr. Andrew Leuchter, Director of Adult Psychiatry at UCLA, explains that, "...it's clear that there are genetic predispositions to development of Alzheimer's disease late in life..." Dr. Leuchter adds that some of those who develop Alzheimer's disea...

Genetic Testing Options
02:08

Genetic Testing Options

Dr. Ed McCabe, Chief of the Mattel Children's Hospital at UCLA, talks about the process he follows when a couple comes to him without a known history of disease or genetic red flags. Dr. McCabe explains that he begins with a very detailed family his...

The Code: The Genetic Blueprint
04:43

The Code: The Genetic Blueprint

Every cell of the human body carries 23 pairs of chromosomes. The chemical substance within each chromosome--the DNA--contains hundreds, sometimes thousands of different genes, depending on the size of the chromosome. Genes direct the formation of t...

Violence and Genetics
01:58

Violence and Genetics

Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about a family in Holland that included multiple individuals who were violent criminals. This behavior prompted scientists to explore possible gen...

Genetics of Personality, The
00:56

Genetics of Personality, The

Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about the link between the gene involved in dopamine metabolism and the personality of those who tend to be thrill seekers.