What factors determine a person's hair color and eye color? Why are some people short and some tall? These questions and others similar to them are answered in this engaging guide to the science of genetics.

Includes index.

What is genetics? -- Cells, genes, and chromosomes -- DNA -- Hereditary -- Baby talk -- Evolution -- Extinction -- The human genome -- Early discoveries -- Genetic engineering -- Genetically modified (GM) foods -- Genetic testing -- DNA fingerprinting -- What do you think?.