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The Basics Of Behavior Genetics: A Study Of Heredity, William Edwin Walker

Honors Theses

The general issue of the significance of genetic contributions to individual differences may be approached in two ways, through population genetics and through physiological genetics. The first has no logical meaning when applied to an individual, for his whole genotype and total life experience contribute to every aspect of his behavior, and their influences cannot be separated. The second is rather light on the emphasis of environment and its influence.

The two approaches to the problem on individual differences complement each other. Knowledge of heritability is paramount when one attempts to change phenotypes by selection. Possibly the most significant contribution …

Food Additives, Joyce Mason

Honors Theses

"The most frequently discussed food chemistry problem in the popular press today is that of food additives."

The practice of adding "chemicals" to food is a very old one. No doubt it began when man first learned to preserve his meat by putting salt on it. Through the centuries other methods of food preservation were invented.

During the early days of the industrial revolution in England and America there was much trial and error experimentation with materials used to preserve foods or to conceal inferiority by coloring them with dyes that were sometimes highly poisonous.

During the past half century …

Drug Addiction In Youth: The High School And College Level, Shirley Anne Percy

Honors Theses

In a world undergoing enormous transitions, where familial and social supports are eroding and established beliefs are gradually being demolished, it is natural that many will try to modify their awareness--to ease the uncertainties of the day, to avoid psychic pain, to achieve pleasure, to find faith. The old gods falter; the old goals seem pointless. What is left but to chemically dull the senses or, alternatively, create new illustions, new utopian worlds? So it has been in every period of stress; so it is today.

Man changes his world enormously but himself minimally. He has created instant news, transportation …