Despite the name, the primary modern flavoring ingredients in a cola drink are sugar, citrus oils (from oranges, limes, or lemon fruit peel), cinnamon, vanilla, and an acidic flavorant. Manufacturers of cola drinks add trace ingredients to create distinctively different tastes for each brand.
Features of inbred mice. A strength of the laboratory mouse as a model system results from the availability of hundreds of inbred strains which harbor different characteristics, including some that are prone to develop specific types of cancers.
Many inbred and outbred strains of mice carry a recessive mutant allele of a coat color gene (or combinations of recessive alleles). These recessive mutations were useful to detect contamination of an inbred strain with either wild mice, or another inbred strain.