An accepted theory that chromosomes are the material of inheritance, and that they are associated in paternal-maternal pairings; dervied from the collective work of Boveri, Sutton, and Morgan.

Interest in cytogenetics may be traced to the development of the chromosomal theory of inheritance that emerged from efforts to provide the basis for Darwin's theory “On the origin of species by means ...

Humans typically have 46 chromosomes arranged in 23 pairs. One of these pairs determines biological sex at the time of conception. Males usually have one X chromosome and one Y chromosome. The ...