Darlington, C D. 1937. Recent Advances in Cytology. London, Churchill. Jinks, J L. 1955. A survey of the genetical basis of heterosis in a variety of diallel crosses. Heredity, 9, 223–238. Jinks ...

Genetic diversity occurs because certain physical ... Each end then crosses over into the other chromosome and forms a connection called a chiasma. During this process, it is common for large ...