Tertiary colors are colors made by mixing a primary color and a secondary color. A tertiary color can be made with inks or paints by mixing a material of a primary color with a material of a secondary ...
Eye color is a complex genetic trait determined by pairings of genes passed on from each parent. Scientists once believed eye color was determined by a single gene, but advances in genetic research ...
Asthma is the most common chronic disease of childhood and, in the latter part of the 20th century, reached epidemic proportions. Asthma is generally believed to result from gene-environment ...