Areas on chromosomes that carry hereditary instructions for various traits. The biological units of heredity, composed of DNA (deoxyriboncleic acid). Genetic. Traits that are determined by genes as ... A branch of biology that deals with heredity and variations in plants and animals, and the process by which hereditary characteristics are transmitted from ... The basic unit of heredity is a gene, which occupies a specific location on chromosomes in the nucleus of every cell in the body.
|Title||:||Child Development in the 21st Century|
|Author||:||Stanley K. Fitch|