¹ Source: wiktionary.com
Definition of Ploidy
1. the extent of repetition of the basic number of chromosomes [n -DIES]
Medical Definition of Ploidy
1. The number of sets of chromosomes within a cell or organism. Each set is designated n so one set is n is haploid, two sets is 2n is diploid, three sets is 3n is triploid, four sets is 4n is tetraploid, etc. Also, unspecified multiple sets (but more than two) is polyploidy, and extremely large number of sets may be designated by number (for example 15-ploid for fifteen sets). (09 Oct 1997)
Click the following link to bring up a new window with an automated collection of images related to the term: Ploidy Images
Lexicographical Neighbors of Ploidy
ploidy (current term)
Literary usage of Ploidy
Below you will find example usage of this term as found in modern and/or classical literature:
1. Tissue Culture: Plants: A Bibliography, January 1992-March 1994 by Henry Gilbert (1995)
"Language: English Descriptors: Solanum tuberosum; Leaves; Explants; Callus; Tissue culture; Somaclonal variation; ploidy; Chromosome number; ..."
2. Dwarf Mistletoes: Biology, Pathology, and Systematics by Frank G. Hawksworth, Delbert Wiens (1998)
"Absence of Hybridization and Polyploidy Two of the most significant factors in the evolution of vascular plants are natural hybridization and poly- ploidy ..."
3. The Dog: Bibliography January 1985-January 1994 by Cynthia P. Smith (1995)
"... Pigs; Yersinia 104 NAL Call No: 41.8 P27 Characteristics of canine melanomas and comparison of histology and DNA ploidy to their biologic behavior. ..."