(from the article `development`) ...development, in which two distinct forms succeed each other in alternating generations; one form, created by the union of sexual cells (gametes), ... in genetics, the number of chromosomes occurring in the nucleus of a cell. In normal somatic (body) cells, the chromosomes exist in pairs. The ... .... Found on http://www.britannica.com/eb/a-z/d/52
The chromosomal constitution of somatic cells, in which each type of chromosome is represented twice. Symbol: 2n or 2x. ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973