Complete handbook on cells and DNA including genes and chromosomes. Also includes indepth look at how genes work, mutations and health, inheriting genetic conditions, genetic consultation, genetic testing, gene therapy, the human genome project and complete genomic research.

A family medical history is a record of health information about a person and his or her close relatives. A complete record includes information from three generations of relatives, including children, brothers and sisters, parents, aunts and uncles, nieces and nephews, grandparents, and cousins. Families have many factors in common, including their genes, environment, and lifestyle. Together, these factors can give clues to medical conditions that may run in a family. By noticing patterns of disorders among relatives, healthcare professionals can determine whether an individual, other family...