ISBN: 0962742295 9780962742293

Category: Medical / General

Page count: 470

Cyril Darlington (1903–1981), one of the most influential and controversial scientists of the twentieth century discovered the chromosomes, the carriers of the genetic material. Genetic material, commonly known as genes, are composed of nucleotides and in turn, each nucleotide is made up of one of the four nitrogenous bases, phosphate and sugar. This book extract describes the chemical composition of genes, the fundamental unit of heredity.