Nutrition and Genetics

Authored by: Carolyn D. Berdanier

Handbook of Nutrition and Food

Print publication date:  July  2013
Online publication date:  April  2016

Print ISBN: 9781466505711
eBook ISBN: 9781466505728
Adobe ISBN:


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Nutrition science is concerned with the many factors that influence the need and use of macro- and micronutrients. Among these factors is the genetic heritage of the consumer. This heritage is conferred by the base sequence of the genetic material, deoxyribonucleic acid (DNA). DNA is found in both the nucleus and mitochondria of the cell and dictates the characteristics of every living cell in every living creature. Nuclear DNA is organized into units called chromosomes. The chromosomes are found in pairs and contain the individual units called genes. Although all cells contain the same DNA, not all genes are expressed in every cell; some are specific to specific cell types.

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